Merge pull request #274 from esek/feat/latexifyservice

HTML tags to Latex service added for future efterphest feature

.env.example

@@ -30,4 +30,7 @@ SKIP_ACCESS_CHECKS=false
 POST_ACCESS_COOLDOWN_DAYS=90
 
 # Pdf to png settings
-PDF_TO_PNG_BASE_URL=https://pdf-to-png.esek.se
+PDF_TO_PNG_BASE_URL=https://pdf-to-png.esek.se
+
+#Latexify settings
+LATEXIFY_URL=https://latexify.esek.se

CHANGELOG.MD

@@ -5,6 +5,11 @@ Alla märkbara ändringar ska dokumenteras i denna fil.
 Baserat på [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 och följer [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.12.0] - 2024-07-17
+
+### Tillagt
+- Service för LaTeXify med tillhörande graph, resolver och tillägg i .env.example
+
 ## [1.11.0] - 2024-06-07
 
 ### Tillagt

package.json

@@ -1,6 +1,6 @@
 {
     "name": "ekorre-ts",
-    "version": "1.11.0",
+    "version": "1.12.0",
     "description": "E-Sektionens backend",
     "main": "src/index.ts",
     "scripts": {

src/config.ts

@@ -60,6 +60,14 @@ const PDF_TO_PNG = {
   URL: process.env.PDF_TO_PNG_BASE_URL ?? '',
 };
 
+/**
+ * Config for LaTeXify
+ * @param {string} URL - The base URL for the LaTeXify microservice
+ */
+const LATEXIFY = {
+  URL: process.env.LATEXIFY_URL ?? '',
+};
+
 const JWT = {
   SECRET: (process.env.JWT_SECRET as string) ?? '',
 };
@@ -77,6 +85,7 @@ const config = {
   LU,
   WIKI,
   PDF_TO_PNG,
+  LATEXIFY,
   JWT,
 };
 

src/models/generated/graphql.ts

@@ -929,6 +929,7 @@ export type Query = {
   latestElections: Array<Election>;
   latestHehe: Array<Hehe>;
   latestnews: Array<Article>;
+  latexify: Scalars['String'];
   me: User;
   meeting: Meeting;
   meetings: Array<Meeting>;
@@ -1138,6 +1139,15 @@ export type QueryLatestnewsArgs = {
 };
 
 
+/**
+ * Queries and mutations that relies on an election being open
+ * does not take an `electionId` parameter.
+ */
+export type QueryLatexifyArgs = {
+  text: Scalars['String'];
+};
+
+
 /**
  * Queries and mutations that relies on an election being open
  * does not take an `electionId` parameter.
@@ -1926,6 +1936,7 @@ export type QueryResolvers<ContextType = Context, ParentType extends ResolversPa
   latestElections?: Resolver<Array<ResolversTypes['Election']>, ParentType, ContextType, Partial<QueryLatestElectionsArgs>>;
   latestHehe?: Resolver<Array<ResolversTypes['Hehe']>, ParentType, ContextType, Partial<QueryLatestHeheArgs>>;
   latestnews?: Resolver<Array<ResolversTypes['Article']>, ParentType, ContextType, Partial<QueryLatestnewsArgs>>;
+  latexify?: Resolver<ResolversTypes['String'], ParentType, ContextType, RequireFields<QueryLatexifyArgs, 'text'>>;
   me?: Resolver<ResolversTypes['User'], ParentType, ContextType>;
   meeting?: Resolver<ResolversTypes['Meeting'], ParentType, ContextType, RequireFields<QueryMeetingArgs, 'id'>>;
   meetings?: Resolver<Array<ResolversTypes['Meeting']>, ParentType, ContextType, Partial<QueryMeetingsArgs>>;

src/resolvers/index.ts

@@ -11,3 +11,4 @@ export { default as meeting } from './meeting.resolver';
 export { default as post } from './post.resolver';
 export { default as ticket } from './ticket.resolver';
 export { default as user } from './user.resolver';
+export { default as latexify } from './latex.resolver';

src/resolvers/latex.resolver.ts

@@ -0,0 +1,15 @@
+import { hasAuthenticated } from '@/util';
+import { Resolvers } from '@generated/graphql';
+import { latexify } from '@service/latexify';
+
+const latexifyResolver: Resolvers = {
+  Query: {
+    latexify: async (_, { text }, ctx) => {
+      await hasAuthenticated(ctx);
+      const res = await latexify(text);
+      return res;
+    },
+  },
+};
+
+export default latexifyResolver;

src/schemas/latexify.graphql

@@ -0,0 +1,3 @@
+type Query {
+  latexify(text: String!): String!
+}

src/services/latexify.service.ts

@@ -0,0 +1,30 @@
+import config from '@/config';
+import { ServerError } from '@/errors/request.errors';
+import { QueryLatexifyArgs } from '@generated/graphql';
+import axios, { AxiosResponse } from 'axios';
+
+const {
+  LATEXIFY: { URL },
+} = config;
+
+const api = axios.create({
+  baseURL: URL,
+  headers: {
+    'Content-Type': 'application/json',
+  },
+});
+
+export const latexify = async (text: string) => {
+  try {
+    const res = await api.post<QueryLatexifyArgs, AxiosResponse>('/latexify', {
+      text: text,
+    });
+    if (res.status == 200) {
+      return res.data as string;
+    } else {
+      throw new ServerError(`${res.status}: ${res.statusText}`);
+    }
+  } catch {
+    throw new ServerError('Texten kunde inte konverteras till LaTeX');
+  }
+};