ability to download subjects in txt

src/modules/api/submodules/qminingapi.ts

@@ -53,6 +53,7 @@ import {
     dataToString,
     getSubjNameWithoutYear,
     SearchResultQuestion,
+    subjectToString,
 } from '../../../utils/qdbUtils'
 import { paths } from '../../../utils/files'
 import constants from '../../../constants'
@@ -499,11 +500,32 @@ function setup(data: SubmoduleData): Submodule {
     app.get('/allqr.txt', function (req: Request, res: Response) {
         logger.LogReq(req)
         const db: string = req.query.db
+        const subjectName: string = req.query.subj
         let stringifiedData = ''
 
         res.setHeader('content-type', 'text/plain; charset=utf-8')
 
-        if (db) {
+        if (subjectName) {
+            const requestedDb = getQuestionDbs().find((qdb) => {
+                return qdb.name === db
+            })
+            if (!requestedDb) {
+                res.end(`No such db ${db}`)
+                return
+            }
+            const requestedSubject = requestedDb.data.find((subject) => {
+                return subject.Name === subjectName
+            })
+            if (!requestedSubject) {
+                res.end(`No such db ${db}`)
+                return
+            }
+            stringifiedData = '\n' + line
+            stringifiedData += `  Questions in "${requestedDb.name}"-"${subjectName}":  `
+            stringifiedData += line + '\n'
+            stringifiedData += subjectToString(requestedSubject)
+            stringifiedData += '\n' + line + line + '\n'
+        } else if (db) {
             const requestedDb = getQuestionDbs().find((qdb) => {
                 return qdb.name === db
             })
@@ -514,7 +536,7 @@ function setup(data: SubmoduleData): Submodule {
             }
 
             stringifiedData = '\n' + line
-            stringifiedData += `  Questions in ${requestedDb.name}:  `
+            stringifiedData += `  Questions in "${requestedDb.name}":  `
             stringifiedData += line + '\n'
             stringifiedData += dataToString(requestedDb.data)
             stringifiedData += '\n' + line + line + '\n'

src/utils/qdbUtils.ts

@@ -354,7 +354,7 @@ function questionToString(question: Question): string {
     }
 }
 
-function subjectToString(subj: Subject): string {
+export function subjectToString(subj: Subject): string {
     const { Questions, Name } = subj
 
     const result: string[] = []