Add numeric chart panel

app/src/actions/Charts.ts

@@ -0,0 +1,101 @@
+import { Action, ActionTypes, ChartParameters } from '../reducers/Charts'
+import { AppState } from '../reducers'
+import { default as persistentStorage, StorageIdentifier } from '../utils/PersistentStorage'
+import { Dispatch } from 'redux'
+import { showError } from './Global'
+
+interface ConnectionViewState {
+  charts: Array<ChartParameters>
+}
+
+interface ConnectionViewStateDictionary {
+  [s: string]: ConnectionViewState
+}
+const connectionViewStateIdentifier: StorageIdentifier<ConnectionViewStateDictionary> = {
+  id: 'connection_view_state',
+}
+
+export const loadCharts = () => async (dispatch: Dispatch<any>, getState: () => AppState) => {
+  const connectionId = getState().connection.connectionId
+  if (!connectionId) {
+    return
+  }
+
+  let viewStates: ConnectionViewStateDictionary | undefined
+  try {
+    viewStates = await persistentStorage.load(connectionViewStateIdentifier)
+  } catch (error) {
+    dispatch(showError(error))
+  }
+
+  if (!viewStates || !viewStates[connectionId]) {
+    dispatch(setCharts([]))
+    return
+  }
+
+  const viewState = viewStates[connectionId]
+  if (viewState) {
+    dispatch(setCharts(viewState.charts))
+  }
+}
+
+export const saveCharts = () => async (dispatch: Dispatch<any>, getState: () => AppState) => {
+  const connectionId = getState().connection.connectionId
+  if (!connectionId) {
+    return
+  }
+
+  const charts = getState()
+    .charts.get('charts')
+    .toArray()
+
+  let viewStates: ConnectionViewStateDictionary | undefined
+  try {
+    viewStates = (await persistentStorage.load(connectionViewStateIdentifier)) || {}
+    const state: ConnectionViewState = viewStates[connectionId] || { charts: [] }
+    state.charts = charts
+
+    viewStates[connectionId] = state
+    await persistentStorage.store(connectionViewStateIdentifier, viewStates)
+  } catch (error) {
+    dispatch(showError(error))
+  }
+}
+
+export const addChart = (chartParameters: ChartParameters) => async (
+  dispatch: Dispatch<any>,
+  getState: () => AppState
+) => {
+  let chartExists = Boolean(
+    getState()
+      .charts.get('charts')
+      .find(chart => chart.topic === chartParameters.topic && chart.dotPath === chartParameters.dotPath)
+  )
+  if (chartExists) {
+    return
+  }
+
+  dispatch({
+    type: ActionTypes.CHARTS_ADD,
+    chart: chartParameters,
+  })
+  dispatch(saveCharts())
+}
+
+export const removeChart = (chartParameters: ChartParameters) => async (
+  dispatch: Dispatch<any>,
+  getState: () => AppState
+) => {
+  dispatch({
+    chart: chartParameters,
+    type: ActionTypes.CHARTS_REMOVE,
+  })
+  dispatch(saveCharts())
+}
+
+export const setCharts = (charts: Array<ChartParameters>): Action => {
+  return {
+    charts,
+    type: ActionTypes.CHARTS_SET,
+  }
+}