Enhancement: support negative offset in scheduled workflows (#9746)

docs/usage.md

@@ -406,7 +406,8 @@ Currently, there are three events that correspond to workflow trigger 'types':
 3. **Document Updated**: when a document is updated. Similar to 'added' events, triggers can include filtering by content matching,
    tags, doc type, or correspondent.
 4. **Scheduled**: a scheduled trigger that can be used to run workflows at a specific time. The date used can be either the document
-   added, created, updated date or you can specify a (date) custom field. You can also specify a day offset from the date.
+   added, created, updated date or you can specify a (date) custom field. You can also specify a day offset from the date (positive
+   offsets will trigger before the date, negative offsets will trigger after).
 
 The following flow diagram illustrates the three document trigger types:
 

src-ui/messages.xlf

@@ -1284,19 +1284,19 @@
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">201</context>
+          <context context-type="linenumber">209</context>
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">220</context>
+          <context context-type="linenumber">228</context>
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">287</context>
+          <context context-type="linenumber">295</context>
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">306</context>
+          <context context-type="linenumber">314</context>
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/input/permissions/permissions-form/permissions-form.component.html</context>
@@ -1319,19 +1319,19 @@
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">209</context>
+          <context context-type="linenumber">217</context>
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">228</context>
+          <context context-type="linenumber">236</context>
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">295</context>
+          <context context-type="linenumber">303</context>
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">314</context>
+          <context context-type="linenumber">322</context>
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/input/permissions/permissions-form/permissions-form.component.html</context>
@@ -1357,11 +1357,11 @@
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">234</context>
+          <context context-type="linenumber">242</context>
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">320</context>
+          <context context-type="linenumber">328</context>
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/input/permissions/permissions-form/permissions-form.component.html</context>
@@ -3691,7 +3691,7 @@
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">163</context>
+          <context context-type="linenumber">171</context>
         </context-group>
       </trans-unit>
       <trans-unit id="6457471243969293847" datatype="html">
@@ -4115,7 +4115,7 @@
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">188</context>
+          <context context-type="linenumber">196</context>
         </context-group>
       </trans-unit>
       <trans-unit id="4754802869258527587" datatype="html">
@@ -4133,7 +4133,7 @@
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">189</context>
+          <context context-type="linenumber">197</context>
         </context-group>
       </trans-unit>
       <trans-unit id="1519954996184640001" datatype="html">
@@ -4645,381 +4645,388 @@
         <source>Offset days</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">126</context>
+          <context context-type="linenumber">128</context>
+        </context-group>
+      </trans-unit>
+      <trans-unit id="1488741788768120127" datatype="html">
+        <source>Positive values will trigger the workflow before the date, negative values after.</source>
+        <context-group purpose="location">
+          <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
+          <context context-type="linenumber">132</context>
         </context-group>
       </trans-unit>
       <trans-unit id="3726450101884717309" datatype="html">
         <source>Relative to</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">129</context>
+          <context context-type="linenumber">137</context>
         </context-group>
       </trans-unit>
       <trans-unit id="3878884308536053934" datatype="html">
         <source>Custom field</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">133</context>
+          <context context-type="linenumber">141</context>
         </context-group>
       </trans-unit>
       <trans-unit id="1088170562604583291" datatype="html">
         <source>Custom field to use for date.</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">133</context>
+          <context context-type="linenumber">141</context>
         </context-group>
       </trans-unit>
       <trans-unit id="1011433830042635014" datatype="html">
         <source>Recurring</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">139</context>
+          <context context-type="linenumber">147</context>
         </context-group>
       </trans-unit>
       <trans-unit id="1421663004162437543" datatype="html">
         <source>Trigger is recurring.</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">139</context>
+          <context context-type="linenumber">147</context>
         </context-group>
       </trans-unit>
       <trans-unit id="5937989815294159481" datatype="html">
         <source>Recurring interval days</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">143</context>
+          <context context-type="linenumber">151</context>
         </context-group>
       </trans-unit>
       <trans-unit id="722765958672682251" datatype="html">
         <source>Repeat the trigger every n days.</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">143</context>
+          <context context-type="linenumber">151</context>
         </context-group>
       </trans-unit>
       <trans-unit id="8727727835543352574" datatype="html">
         <source>Trigger for documents that match <x id="START_EMPHASISED_TEXT" ctype="x-em" equiv-text="&lt;em&gt;"/>all<x id="CLOSE_EMPHASISED_TEXT" ctype="x-em" equiv-text="&lt;/em&gt;"/> filters specified below.</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">148</context>
+          <context context-type="linenumber">156</context>
         </context-group>
       </trans-unit>
       <trans-unit id="7467799586957602479" datatype="html">
         <source>Filter filename</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">151</context>
+          <context context-type="linenumber">159</context>
         </context-group>
       </trans-unit>
       <trans-unit id="3694878959415278689" datatype="html">
         <source>Apply to documents that match this filename. Wildcards such as *.pdf or *invoice* are allowed. Case insensitive.</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">151</context>
+          <context context-type="linenumber">159</context>
         </context-group>
       </trans-unit>
       <trans-unit id="1473412958770421458" datatype="html">
         <source>Filter sources</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">153</context>
+          <context context-type="linenumber">161</context>
         </context-group>
       </trans-unit>
       <trans-unit id="6540860478788535250" datatype="html">
         <source>Filter path</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">154</context>
+          <context context-type="linenumber">162</context>
         </context-group>
       </trans-unit>
       <trans-unit id="5491897741674893121" datatype="html">
         <source>Apply to documents that match this path. Wildcards specified as * are allowed. Case-normalized.&lt;/a&gt;</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">154</context>
+          <context context-type="linenumber">162</context>
         </context-group>
       </trans-unit>
       <trans-unit id="7468453896129193641" datatype="html">
         <source>Filter mail rule</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">155</context>
+          <context context-type="linenumber">163</context>
         </context-group>
       </trans-unit>
       <trans-unit id="8663702115863339485" datatype="html">
         <source>Apply to documents consumed via this mail rule.</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">155</context>
+          <context context-type="linenumber">163</context>
         </context-group>
       </trans-unit>
       <trans-unit id="6840369584127435743" datatype="html">
         <source>Content matching algorithm</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">158</context>
+          <context context-type="linenumber">166</context>
         </context-group>
       </trans-unit>
       <trans-unit id="510635115034690805" datatype="html">
         <source>Content matching pattern</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">160</context>
+          <context context-type="linenumber">168</context>
         </context-group>
       </trans-unit>
       <trans-unit id="3484236514968690689" datatype="html">
         <source>Has any of tags</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">169</context>
+          <context context-type="linenumber">177</context>
         </context-group>
       </trans-unit>
       <trans-unit id="5281365940563983618" datatype="html">
         <source>Has correspondent</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">170</context>
+          <context context-type="linenumber">178</context>
         </context-group>
       </trans-unit>
       <trans-unit id="4806713133917046341" datatype="html">
         <source>Has document type</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">171</context>
+          <context context-type="linenumber">179</context>
         </context-group>
       </trans-unit>
       <trans-unit id="6417103744331194518" datatype="html">
         <source>Action type</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">181</context>
+          <context context-type="linenumber">189</context>
         </context-group>
       </trans-unit>
       <trans-unit id="6019822389883736115" datatype="html">
         <source>Assign title</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">186</context>
+          <context context-type="linenumber">194</context>
         </context-group>
       </trans-unit>
       <trans-unit id="1098196422099517191" datatype="html">
         <source>Can include some placeholders, see &lt;a target=&apos;_blank&apos; href=&apos;https://docs.paperless-ngx.com/usage/#workflows&apos;&gt;documentation&lt;/a&gt;.</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">186</context>
+          <context context-type="linenumber">194</context>
         </context-group>
       </trans-unit>
       <trans-unit id="6528897010417701530" datatype="html">
         <source>Assign tags</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">187</context>
+          <context context-type="linenumber">195</context>
         </context-group>
       </trans-unit>
       <trans-unit id="7198346314713788799" datatype="html">
         <source>Assign storage path</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">190</context>
+          <context context-type="linenumber">198</context>
         </context-group>
       </trans-unit>
       <trans-unit id="475685412372379925" datatype="html">
         <source>Assign custom fields</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">191</context>
+          <context context-type="linenumber">199</context>
         </context-group>
       </trans-unit>
       <trans-unit id="5057200219587080996" datatype="html">
         <source>Assign owner</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">195</context>
+          <context context-type="linenumber">203</context>
         </context-group>
       </trans-unit>
       <trans-unit id="1749184201773078639" datatype="html">
         <source>Assign view permissions</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">197</context>
+          <context context-type="linenumber">205</context>
         </context-group>
       </trans-unit>
       <trans-unit id="1744964187586405039" datatype="html">
         <source>Assign edit permissions</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">216</context>
+          <context context-type="linenumber">224</context>
         </context-group>
       </trans-unit>
       <trans-unit id="6236311670364192011" datatype="html">
         <source>Remove tags</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">243</context>
+          <context context-type="linenumber">251</context>
         </context-group>
       </trans-unit>
       <trans-unit id="7890599006071681081" datatype="html">
         <source>Remove all</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">244</context>
+          <context context-type="linenumber">252</context>
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">250</context>
+          <context context-type="linenumber">258</context>
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">256</context>
+          <context context-type="linenumber">264</context>
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">262</context>
+          <context context-type="linenumber">270</context>
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">268</context>
+          <context context-type="linenumber">276</context>
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">275</context>
+          <context context-type="linenumber">283</context>
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">281</context>
+          <context context-type="linenumber">289</context>
         </context-group>
       </trans-unit>
       <trans-unit id="8636414563726517994" datatype="html">
         <source>Remove correspondents</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">249</context>
+          <context context-type="linenumber">257</context>
         </context-group>
       </trans-unit>
       <trans-unit id="5305293055593064952" datatype="html">
         <source>Remove document types</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">255</context>
+          <context context-type="linenumber">263</context>
         </context-group>
       </trans-unit>
       <trans-unit id="2400388879708187" datatype="html">
         <source>Remove storage paths</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">261</context>
+          <context context-type="linenumber">269</context>
         </context-group>
       </trans-unit>
       <trans-unit id="4324304327041955720" datatype="html">
         <source>Remove custom fields</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">267</context>
+          <context context-type="linenumber">275</context>
         </context-group>
       </trans-unit>
       <trans-unit id="8367536502602515064" datatype="html">
         <source>Remove owners</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">274</context>
+          <context context-type="linenumber">282</context>
         </context-group>
       </trans-unit>
       <trans-unit id="3393772184866313281" datatype="html">
         <source>Remove permissions</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">280</context>
+          <context context-type="linenumber">288</context>
         </context-group>
       </trans-unit>
       <trans-unit id="3145629643370481114" datatype="html">
         <source>View permissions</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">283</context>
+          <context context-type="linenumber">291</context>
         </context-group>
       </trans-unit>
       <trans-unit id="1946660694635960249" datatype="html">
         <source>Edit permissions</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">302</context>
+          <context context-type="linenumber">310</context>
         </context-group>
       </trans-unit>
       <trans-unit id="8987736563240025468" datatype="html">
         <source>Email subject</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">330</context>
+          <context context-type="linenumber">338</context>
         </context-group>
       </trans-unit>
       <trans-unit id="8239445959209739142" datatype="html">
         <source>Email body</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">331</context>
+          <context context-type="linenumber">339</context>
         </context-group>
       </trans-unit>
       <trans-unit id="1222152280703048012" datatype="html">
         <source>Email recipients</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">332</context>
+          <context context-type="linenumber">340</context>
         </context-group>
       </trans-unit>
       <trans-unit id="7916910101279824329" datatype="html">
         <source>Attach document</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">333</context>
+          <context context-type="linenumber">341</context>
         </context-group>
       </trans-unit>
       <trans-unit id="5028001922785731600" datatype="html">
         <source>Webhook url</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">341</context>
+          <context context-type="linenumber">349</context>
         </context-group>
       </trans-unit>
       <trans-unit id="7491983459027245019" datatype="html">
         <source>Use parameters for webhook body</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">343</context>
+          <context context-type="linenumber">351</context>
         </context-group>
       </trans-unit>
       <trans-unit id="4078214298308732810" datatype="html">
         <source>Send webhook payload as JSON</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">344</context>
+          <context context-type="linenumber">352</context>
         </context-group>
       </trans-unit>
       <trans-unit id="6806149889743731985" datatype="html">
         <source>Webhook params</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">347</context>
+          <context context-type="linenumber">355</context>
         </context-group>
       </trans-unit>
       <trans-unit id="7089924379374330" datatype="html">
         <source>Webhook body</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">349</context>
+          <context context-type="linenumber">357</context>
         </context-group>
       </trans-unit>
       <trans-unit id="3829826512656746316" datatype="html">
         <source>Webhook headers</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">351</context>
+          <context context-type="linenumber">359</context>
         </context-group>
       </trans-unit>
       <trans-unit id="2114525789021600887" datatype="html">
         <source>Include document</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html</context>
-          <context context-type="linenumber">352</context>
+          <context context-type="linenumber">360</context>
         </context-group>
       </trans-unit>
       <trans-unit id="4626030417479279989" datatype="html">

src-ui/src/app/components/common/edit-dialog/workflow-edit-dialog/workflow-edit-dialog.component.html

@@ -123,7 +123,15 @@
       <p class="small" i18n>Set scheduled trigger offset and which date field to use.</p>
       <div class="row">
         <div class="col-4">
-          <pngx-input-number i18n-title title="Offset days" formControlName="schedule_offset_days" [showAdd]="false" [error]="error?.schedule_offset_days"></pngx-input-number>
+          <pngx-input-number
+            i18n-title
+            title="Offset days"
+            formControlName="schedule_offset_days"
+            [showAdd]="false"
+            [error]="error?.schedule_offset_days"
+            hint="Positive values will trigger the workflow before the date, negative values after."
+            i18n-hint
+          ></pngx-input-number>
         </div>
         <div class="col-4">
           <pngx-input-select i18n-title title="Relative to" formControlName="schedule_date_field" [items]="scheduleDateFieldOptions" [error]="error?.schedule_date_field"></pngx-input-select>

src/documents/migrations/1066_alter_workflowtrigger_schedule_offset_days.py

@@ -0,0 +1,22 @@
+# Generated by Django 5.1.7 on 2025-04-15 19:18
+
+from django.db import migrations
+from django.db import models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("documents", "1065_workflowaction_assign_custom_fields_values"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="workflowtrigger",
+            name="schedule_offset_days",
+            field=models.IntegerField(
+                default=0,
+                help_text="The number of days to offset the schedule trigger by.",
+                verbose_name="schedule offset days",
+            ),
+        ),
+    ]

src/documents/models.py

@@ -1019,7 +1019,7 @@ class WorkflowTrigger(models.Model):
         verbose_name=_("has this correspondent"),
     )
 
-    schedule_offset_days = models.PositiveIntegerField(
+    schedule_offset_days = models.IntegerField(
         _("schedule offset days"),
         default=0,
         help_text=_(

src/documents/tasks.py

@@ -1,8 +1,8 @@
+import datetime
 import hashlib
 import logging
 import shutil
 import uuid
-from datetime import timedelta
 from pathlib import Path
 from tempfile import TemporaryDirectory
 
@@ -357,7 +357,7 @@ def empty_trash(doc_ids=None):
         if doc_ids is not None
         else Document.deleted_objects.filter(
             deleted_at__lt=timezone.localtime(timezone.now())
-            - timedelta(
+            - datetime.timedelta(
                 days=settings.EMPTY_TRASH_DELAY,
             ),
         )
@@ -397,6 +397,7 @@ def check_scheduled_workflows():
     )
     if scheduled_workflows.count() > 0:
         logger.debug(f"Checking {len(scheduled_workflows)} scheduled workflows")
+        now = timezone.now()
         for workflow in scheduled_workflows:
             schedule_triggers = workflow.triggers.filter(
                 type=WorkflowTrigger.WorkflowTriggerType.SCHEDULED,
@@ -404,31 +405,60 @@ def check_scheduled_workflows():
             trigger: WorkflowTrigger
             for trigger in schedule_triggers:
                 documents = Document.objects.none()
-                offset_td = timedelta(days=trigger.schedule_offset_days)
+                offset_td = datetime.timedelta(days=-trigger.schedule_offset_days)
+                threshold = now - offset_td
                 logger.debug(
-                    f"Checking trigger {trigger} with offset {offset_td} against field: {trigger.schedule_date_field}",
+                    f"Trigger {trigger.id}: checking if (date + {offset_td}) <= now ({now})",
                 )
+
                 match trigger.schedule_date_field:
                     case WorkflowTrigger.ScheduleDateField.ADDED:
-                        documents = Document.objects.filter(
+                        documents = Document.objects.filter(added__lte=threshold)
-                            added__lt=timezone.now() - offset_td,
+
-                        )
                     case WorkflowTrigger.ScheduleDateField.CREATED:
-                        documents = Document.objects.filter(
+                        documents = Document.objects.filter(created__lte=threshold)
-                            created__lt=timezone.now() - offset_td,
+
-                        )
                     case WorkflowTrigger.ScheduleDateField.MODIFIED:
-                        documents = Document.objects.filter(
+                        documents = Document.objects.filter(modified__lte=threshold)
-                            modified__lt=timezone.now() - offset_td,
+
-                        )
                     case WorkflowTrigger.ScheduleDateField.CUSTOM_FIELD:
-                        cf_instances = CustomFieldInstance.objects.filter(
+                        # cap earliest date to avoid massive scans
-                            field=trigger.schedule_date_custom_field,
+                        earliest_date = now - datetime.timedelta(days=365)
-                            value_date__lt=timezone.now() - offset_td,
+                        if offset_td.days < -365:
-                        )
+                            logger.warning(
-                        documents = Document.objects.filter(
+                                f"Trigger {trigger.id} has large negative offset ({offset_td.days}), "
-                            id__in=cf_instances.values_list("document", flat=True),
+                                f"limiting earliest scan date to {earliest_date}",
+                            )
+
+                        cf_filter_kwargs = {
+                            "field": trigger.schedule_date_custom_field,
+                            "value_date__isnull": False,
+                            "value_date__lte": threshold,
+                            "value_date__gte": earliest_date,
+                        }
+
+                        recent_cf_instances = CustomFieldInstance.objects.filter(
+                            **cf_filter_kwargs,
                         )
+
+                        matched_ids = [
+                            cfi.document_id
+                            for cfi in recent_cf_instances
+                            if cfi.value_date
+                            and (
+                                timezone.make_aware(
+                                    datetime.datetime.combine(
+                                        cfi.value_date,
+                                        datetime.time.min,
+                                    ),
+                                )
+                                + offset_td
+                                <= now
+                            )
+                        ]
+
+                        documents = Document.objects.filter(id__in=matched_ids)
+
                 if documents.count() > 0:
                     logger.debug(
                         f"Found {documents.count()} documents for trigger {trigger}",
@@ -440,18 +470,18 @@ def check_scheduled_workflows():
                             workflow=workflow,
                         ).order_by("-run_at")
                         if not trigger.schedule_is_recurring and workflow_runs.exists():
-                            # schedule is non-recurring and the workflow has already been run
                             logger.debug(
                                 f"Skipping document {document} for non-recurring workflow {workflow} as it has already been run",
                             )
                             continue
-                        elif (
+
+                        if (
                             trigger.schedule_is_recurring
                             and workflow_runs.exists()
                             and (
                                 workflow_runs.last().run_at
-                                > timezone.now()
+                                > now
-                                - timedelta(
+                                - datetime.timedelta(
                                     days=trigger.schedule_recurring_interval_days,
                                 )
                             )

src/documents/tests/test_workflows.py

@@ -1336,6 +1336,8 @@ class TestWorkflows(
         GIVEN:
             - Existing workflow with SCHEDULED trigger against the created field and action that assigns owner
             - Existing doc that matches the trigger
+            - Workflow set to trigger at (now - offset) = now - 1 day
+            - Document created date is 2 days ago → trigger condition met
         WHEN:
             - Scheduled workflows are checked
         THEN:
@@ -1359,7 +1361,7 @@ class TestWorkflows(
         w.save()
 
         now = timezone.localtime(timezone.now())
-        created = now - timedelta(weeks=520)
+        created = now - timedelta(days=2)
         doc = Document.objects.create(
             title="sample test",
             correspondent=self.c,
@@ -1377,6 +1379,8 @@ class TestWorkflows(
         GIVEN:
             - Existing workflow with SCHEDULED trigger against the added field and action that assigns owner
             - Existing doc that matches the trigger
+            - Workflow set to trigger at (now - offset) = now - 1 day
+            - Document added date is 365 days ago
         WHEN:
             - Scheduled workflows are checked
         THEN:
@@ -1418,6 +1422,8 @@ class TestWorkflows(
         GIVEN:
             - Existing workflow with SCHEDULED trigger against the modified field and action that assigns owner
             - Existing doc that matches the trigger
+            - Workflow set to trigger at (now - offset) = now - 1 day
+            - Document modified date is mocked as sufficiently in the past
         WHEN:
             - Scheduled workflows are checked
         THEN:
@@ -1458,6 +1464,8 @@ class TestWorkflows(
         GIVEN:
             - Existing workflow with SCHEDULED trigger against a custom field and action that assigns owner
             - Existing doc that matches the trigger
+            - Workflow set to trigger at (now - offset) = now - 1 day
+            - Custom field date is 2 days ago
         WHEN:
             - Scheduled workflows are checked
         THEN:
@@ -1502,6 +1510,7 @@ class TestWorkflows(
         GIVEN:
             - Existing workflow with SCHEDULED trigger
             - Existing doc that has already had the workflow run
+            - Document created 2 days ago, workflow offset = 1 day → trigger time = yesterday
         WHEN:
             - Scheduled workflows are checked
         THEN:
@@ -1552,6 +1561,7 @@ class TestWorkflows(
         GIVEN:
             - Existing workflow with SCHEDULED trigger and recurring interval of 7 days
             - Workflow run date is 6 days ago
+            - Document created 40 days ago, offset = 30 → trigger time = 10 days ago
         WHEN:
             - Scheduled workflows are checked
         THEN:
@@ -1600,6 +1610,58 @@ class TestWorkflows(
             doc.refresh_from_db()
             self.assertIsNone(doc.owner)
 
+    def test_workflow_scheduled_trigger_negative_offset(self):
+        """
+        GIVEN:
+            - Existing workflow with SCHEDULED trigger and negative offset of -7 days (so 7 days after date)
+            - Custom field date initially set to 5 days ago → trigger time = 2 days in future
+            - Then updated to 8 days ago → trigger time = 1 day ago
+        WHEN:
+            - Scheduled workflows are checked for document with custom field date 8 days in the past
+        THEN:
+            - Workflow runs and document owner is updated
+        """
+        trigger = WorkflowTrigger.objects.create(
+            type=WorkflowTrigger.WorkflowTriggerType.SCHEDULED,
+            schedule_offset_days=-7,
+            schedule_date_field=WorkflowTrigger.ScheduleDateField.CUSTOM_FIELD,
+            schedule_date_custom_field=self.cf1,
+        )
+        action = WorkflowAction.objects.create(
+            assign_title="Doc assign owner",
+            assign_owner=self.user2,
+        )
+        w = Workflow.objects.create(
+            name="Workflow 1",
+            order=0,
+        )
+        w.triggers.add(trigger)
+        w.actions.add(action)
+        w.save()
+
+        doc = Document.objects.create(
+            title="sample test",
+            correspondent=self.c,
+            original_filename="sample.pdf",
+        )
+        cfi = CustomFieldInstance.objects.create(
+            document=doc,
+            field=self.cf1,
+            value_date=timezone.now() - timedelta(days=5),
+        )
+
+        tasks.check_scheduled_workflows()
+
+        doc.refresh_from_db()
+        self.assertIsNone(doc.owner)  # has not triggered yet
+
+        cfi.value_date = timezone.now() - timedelta(days=8)
+        cfi.save()
+
+        tasks.check_scheduled_workflows()
+        doc.refresh_from_db()
+        self.assertEqual(doc.owner, self.user2)
+
     def test_workflow_enabled_disabled(self):
         trigger = WorkflowTrigger.objects.create(
             type=WorkflowTrigger.WorkflowTriggerType.DOCUMENT_ADDED,