cockpit-actions: Add data-lake library to support sharing parameters …

…for actions

src/libs/actions/data-lake.ts

@@ -0,0 +1,78 @@
+/**
+ * A variable to be used on a Cockpit action
+ * @param { string } id - The id of the variable
+ * @param { string } name - The name of the variable
+ * @param { 'string' | 'number' | 'boolean' } type - The type of the variable (string, number or boolean)
+ * @param { string } description - What the variable does or means
+ */
+class CockpitActionVariable {
+  id: string
+  name: string
+  type: 'string' | 'number' | 'boolean'
+  description?: string
+  // eslint-disable-next-line jsdoc/require-jsdoc
+  constructor(id: string, name: string, type: 'string' | 'number' | 'boolean', description?: string) {
+    this.id = id
+    this.name = name
+    this.type = type
+    this.description = description
+  }
+}
+
+const cockpitActionVariableInfo: Record<string, CockpitActionVariable> = {}
+export const cockpitActionVariableData: Record<string, string | number | boolean> = {}
+const cockpitActionVariableListeners: Record<string, ((value: string | number | boolean) => void)[]> = {}
+
+export const getAllCockpitActionVariablesInfo = (): Record<string, CockpitActionVariable> => {
+  return cockpitActionVariableInfo
+}
+
+export const getCockpitActionVariableInfo = (id: string): CockpitActionVariable | undefined => {
+  return cockpitActionVariableInfo[id]
+}
+
+export const createCockpitActionVariable = (variable: CockpitActionVariable): void => {
+  if (cockpitActionVariableInfo[variable.id]) {
+    throw new Error(`Cockpit action variable with id '${variable.id}' already exists. Update it instead.`)
+  }
+  cockpitActionVariableInfo[variable.id] = variable
+}
+
+export const updateCockpitActionVariableInfo = (variable: CockpitActionVariable): void => {
+  if (!cockpitActionVariableInfo[variable.id]) {
+    throw new Error(`Cockpit action variable with id '${variable.id}' does not exist. Create it first.`)
+  }
+  cockpitActionVariableInfo[variable.id] = variable
+}
+
+export const getCockpitActionVariableData = (id: string): string | number | boolean | undefined => {
+  return cockpitActionVariableData[id]
+}
+
+export const setCockpitActionVariableData = (id: string, data: string | number | boolean): void => {
+  cockpitActionVariableData[id] = data
+  notifyCockpitActionVariableListeners(id)
+}
+
+export const deleteCockpitActionVariable = (id: string): void => {
+  delete cockpitActionVariableInfo[id]
+  delete cockpitActionVariableData[id]
+}
+
+export const listenCockpitActionVariable = (id: string, listener: (value: string | number | boolean) => void): void => {
+  if (!cockpitActionVariableListeners[id]) {
+    cockpitActionVariableListeners[id] = []
+  }
+  cockpitActionVariableListeners[id].push(listener)
+}
+
+export const unlistenCockpitActionVariable = (id: string): void => {
+  delete cockpitActionVariableListeners[id]
+}
+
+const notifyCockpitActionVariableListeners = (id: string): void => {
+  if (cockpitActionVariableListeners[id]) {
+    const value = cockpitActionVariableData[id]
+    cockpitActionVariableListeners[id].forEach((listener) => listener(value))
+  }
+}