Fixed broken skill overview

src/modules/admin/info/skill/used-skill-overview_module.tsx

@@ -57,7 +57,7 @@ class UsedSkillOverviewModule extends React.Component<UsedSkillOverviewProps
 
     static mapStateToProps(state: ApplicationState, localProps: UsedSkillOverviewLocalProps): UsedSkillOverviewProps {
         return {
-            usedSkillNames: [],
+            usedSkillNames: state.suggestionStore.allSkills,
             skillUsageInfo: state.statisticsReducer.skillUsageInfo(),
             skillHierarchies: state.skillReducer.categorieHierarchiesBySkillName()
         };

src/reducers/suggestions/SuggestionReducer.ts

@@ -3,6 +3,7 @@ import {ActionType} from '../ActionType';
 import {SuggestionUpdateAction} from './actions/SuggestionUpdateAction';
 import {SkillSuggestionUpdateAction} from './actions/SkillSuggestionUpdateAction';
 import {AbstractAction} from '../BaseActions';
+import {onlyUnique} from "../../utils/ObjectUtil";
 
 export function reduceSuggestion(store: SuggestionStore = emptyStore, action: AbstractAction): SuggestionStore {
     switch (action.type) {
@@ -22,5 +23,5 @@ function handleUpdateField(action: SuggestionUpdateAction, store: SuggestionStor
 }
 
 function handleUpdateSkills(action: SkillSuggestionUpdateAction, store: SuggestionStore): SuggestionStore {
-    return {...store, allSkills: action.payload};
+    return {...store, allSkills: action.payload.filter(onlyUnique)};
 }

src/utils/ObjectUtil.ts

@@ -91,3 +91,7 @@ export function omitKeys(object: Object, ...keys: string[]): Object {
     keys.forEach(key => delete copy[key]);
     return copy;
 }
+
+export function onlyUnique<T>(value: T, index: number, self: T[]): boolean {
+    return self.indexOf(value) === index;
+}