Merge branch 'dev' into feature-created-date

src-ui/src/app/utils/query-params.ts

@@ -0,0 +1,101 @@
+import { ParamMap, Params } from '@angular/router'
+import { FilterRule } from '../data/filter-rule'
+import { FilterRuleType, FILTER_RULE_TYPES } from '../data/filter-rule-type'
+import { ListViewState } from '../services/document-list-view.service'
+
+const SORT_FIELD_PARAMETER = 'sort'
+const SORT_REVERSE_PARAMETER = 'reverse'
+const PAGE_PARAMETER = 'page'
+
+export function generateParams(viewState: ListViewState): Params {
+  let params = queryParamsFromFilterRules(viewState.filterRules)
+  params[SORT_FIELD_PARAMETER] = viewState.sortField
+  params[SORT_REVERSE_PARAMETER] = viewState.sortReverse ? 1 : undefined
+  params[PAGE_PARAMETER] = isNaN(viewState.currentPage)
+    ? 1
+    : viewState.currentPage
+  return params
+}
+
+export function parseParams(queryParams: ParamMap): ListViewState {
+  let filterRules = filterRulesFromQueryParams(queryParams)
+  let sortField = queryParams.get(SORT_FIELD_PARAMETER)
+  let sortReverse =
+    queryParams.has(SORT_REVERSE_PARAMETER) ||
+    (!queryParams.has(SORT_FIELD_PARAMETER) &&
+      !queryParams.has(SORT_REVERSE_PARAMETER))
+  let currentPage = queryParams.has(PAGE_PARAMETER)
+    ? parseInt(queryParams.get(PAGE_PARAMETER))
+    : 1
+  return {
+    currentPage: currentPage,
+    filterRules: filterRules,
+    sortField: sortField,
+    sortReverse: sortReverse,
+  }
+}
+
+export function filterRulesFromQueryParams(
+  queryParams: ParamMap
+): FilterRule[] {
+  const allFilterRuleQueryParams: string[] = FILTER_RULE_TYPES.map(
+    (rt) => rt.filtervar
+  )
+    .concat(FILTER_RULE_TYPES.map((rt) => rt.isnull_filtervar))
+    .filter((rt) => rt !== undefined)
+
+  // transform query params to filter rules
+  let filterRulesFromQueryParams: FilterRule[] = []
+  allFilterRuleQueryParams
+    .filter((frqp) => queryParams.has(frqp))
+    .forEach((filterQueryParamName) => {
+      const rule_type: FilterRuleType = FILTER_RULE_TYPES.find(
+        (rt) =>
+          rt.filtervar == filterQueryParamName ||
+          rt.isnull_filtervar == filterQueryParamName
+      )
+      const isNullRuleType = rule_type.isnull_filtervar == filterQueryParamName
+      const valueURIComponent: string = queryParams.get(filterQueryParamName)
+      const filterQueryParamValues: string[] = rule_type.multi
+        ? valueURIComponent.split(',')
+        : [valueURIComponent]
+
+      filterRulesFromQueryParams = filterRulesFromQueryParams.concat(
+        // map all values to filter rules
+        filterQueryParamValues.map((val) => {
+          if (rule_type.datatype == 'boolean')
+            val = val.replace('1', 'true').replace('0', 'false')
+          return {
+            rule_type: rule_type.id,
+            value: isNullRuleType ? null : val,
+          }
+        })
+      )
+    })
+
+  return filterRulesFromQueryParams
+}
+
+export function queryParamsFromFilterRules(filterRules: FilterRule[]): Params {
+  if (filterRules) {
+    let params = {}
+    for (let rule of filterRules) {
+      let ruleType = FILTER_RULE_TYPES.find((t) => t.id == rule.rule_type)
+      if (ruleType.multi) {
+        params[ruleType.filtervar] = params[ruleType.filtervar]
+          ? params[ruleType.filtervar] + ',' + rule.value
+          : rule.value
+      } else if (ruleType.isnull_filtervar && rule.value == null) {
+        params[ruleType.isnull_filtervar] = 1
+      } else {
+        params[ruleType.filtervar] = rule.value
+        if (ruleType.datatype == 'boolean')
+          params[ruleType.filtervar] =
+            rule.value == 'true' || rule.value == '1' ? 1 : 0
+      }
+    }
+    return params
+  } else {
+    return null
+  }
+}