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Merge pull request #207 from jorgenbele/feat-incidents-use-filter-min…
…imal Add functionality for using predefined filters in incident filter toolbar
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| import React, { createContext, useReducer } from "react"; | ||
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| import { Filter } from "./api"; | ||
| import { filterReducer, FilterActions } from "./reducers/filter"; | ||
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| export type InitialStateType = { | ||
| // List of all filters that the currently | ||
| // logged in user has access to. | ||
| filters: Filter[]; | ||
| }; | ||
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| const initialState: InitialStateType = { | ||
| filters: [], | ||
| }; | ||
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| type ActionsType = FilterActions /* | OtherAction | AnotherActoin ... */; | ||
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| const AppContext = createContext<{ | ||
| state: InitialStateType; | ||
| dispatch: React.Dispatch<ActionsType>; | ||
| }>({ | ||
| state: initialState, | ||
| dispatch: () => null, | ||
| }); | ||
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| const mainReducer = ({ filters }: InitialStateType, action: ActionsType) => ({ | ||
| filters: filterReducer(filters, action), | ||
| }); | ||
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| const AppProvider: React.FC = ({ children }: { children?: React.ReactNode }) => { | ||
| const [state, dispatch] = useReducer(mainReducer, initialState); | ||
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| return <AppContext.Provider value={{ state, dispatch }}>{children}</AppContext.Provider>; | ||
| }; | ||
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| export { AppContext, AppProvider }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| export type ActionMap<M extends { [index: string]: any }> = { | ||
| [Key in keyof M]: M[Key] extends undefined | ||
| ? { | ||
| type: Key; | ||
| } | ||
| : { | ||
| type: Key; | ||
| payload: M[Key]; | ||
| }; | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| import { Filter } from "../api"; | ||
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| import { ActionMap } from "./common"; | ||
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| export enum FilterType { | ||
| Create = "CREATE_FILTER", | ||
| Delete = "DELETE_FILTER", | ||
| Modify = "MODIFY_FILTERS", | ||
| LoadAll = "LOAD_FILTERS", | ||
| } | ||
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| type FilterPayload = { | ||
| // Used to override all local modifications with | ||
| // data from backend | ||
| [FilterType.LoadAll]: Filter[]; | ||
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| // When a filter is modified. | ||
| [FilterType.Modify]: Filter; | ||
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| // When a new filter is created. | ||
| [FilterType.Create]: Filter; | ||
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| // When a filter is deleted | ||
| [FilterType.Delete]: Filter["pk"]; | ||
| }; | ||
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| export type FilterActions = ActionMap<FilterPayload>[keyof ActionMap<FilterPayload>]; | ||
| export const filterReducer = (state: Filter[], action: FilterActions) => { | ||
| switch (action.type) { | ||
| case FilterType.LoadAll: | ||
| return action.payload; | ||
| case FilterType.Modify: { | ||
| const index = state.findIndex((f: Filter) => f.pk === action.payload.pk); | ||
| const updated = [...state]; | ||
| updated[index] = { ...updated[index], ...action.payload }; | ||
| return updated; | ||
| } | ||
| case FilterType.Create: | ||
| return [...state, action.payload]; | ||
| case FilterType.Delete: | ||
| return [...state.filter((filter: Filter) => filter.pk !== action.payload)]; | ||
| } | ||
| }; | ||
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| type Action<T, P> = (payload: P) => { type: T; payload: P }; | ||
| function makeAction<T, P>(type: T): Action<T, P> { | ||
| return (payload: P): { type: T; payload: P } => { | ||
| return { type, payload }; | ||
| }; | ||
| } | ||
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| export const loadAllFilters = makeAction<FilterType.LoadAll, Filter[]>(FilterType.LoadAll); | ||
| export const modifyFilter = makeAction<FilterType.Modify, Filter>(FilterType.Modify); | ||
| export const createFilter = makeAction<FilterType.Create, Filter>(FilterType.Create); | ||
| export const deleteFilter = makeAction<FilterType.Delete, Filter["pk"]>(FilterType.Delete); |
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