added nearly complete p2p implementation

src/modules/api/api.ts

@@ -30,7 +30,16 @@ import logger from '../../utils/logger'
 import utils from '../../utils/utils'
 import auth from '../../middlewares/auth.middleware'
 import { SetupData } from '../../server'
-import { ModuleType, Request, Submodule } from '../../types/basicTypes'
+import {
+    DataFile,
+    ModuleSpecificData,
+    ModuleType,
+    QuestionDb,
+    Request,
+    Submodule,
+} from '../../types/basicTypes'
+import { loadJSON } from '../../utils/actions'
+import { initWorkerPool } from '../../utils/workerPool'
 
 // files
 const rootRedirectToFile = 'data/apiRootRedirectTo'
@@ -142,7 +151,23 @@ function GetApp(): ModuleType {
 
     // -------------------------------------------------------------------------------------------
 
-    const submoduleDatas = setupSubModules(app)
+    const dbsFile = publicDir + 'questionDbs.json'
+
+    // FIXME: is dataFiles only a temp variable? does this cause any problems?
+    const dataFiles: Array<DataFile> = utils.ReadJSON(dbsFile)
+    let questionDbs: Array<QuestionDb> = loadJSON(dataFiles, publicDir)
+    initWorkerPool(() => questionDbs)
+
+    const submoduleDatas = setupSubModules(app, {
+        questionDbs: questionDbs,
+        getQuestionDbs: () => {
+            return questionDbs
+        },
+        setQuestionDbs: (newQdbs: QuestionDb[]) => {
+            questionDbs = newQdbs
+        },
+        dbsFile: dbsFile,
+    })
 
     // -------------------------------------------------------------------------------------------
 
@@ -183,7 +208,7 @@ function GetApp(): ModuleType {
 
 function setupSubModules(
     parentApp: express.Application,
-    moduleSpecificData?: any
+    moduleSpecificData: ModuleSpecificData
 ): Submodule[] {
     const submoduleDir = './submodules/'
     const absolutePath = __dirname + '/' + submoduleDir