tdpeuter/2025SELab2-project-Dwengo
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Code Issues Releases 4 Packages 2 Wiki Activity

feat(backend): Added skeleton for a database learning object/path provider.

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This commit is contained in:
Gerald Schmittinger 2025-03-04 23:33:03 +01:00
parent cc6947dd3c
commit 2d9f17484c
5 changed files with 103 additions and 6 deletions
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35
backend/src/services/learning-paths/learning-path-service.ts
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@ -1,5 +1,13 @@
import {LearningPath, LearningPathResponse} from "../../interfaces/learning-content";
import {
LearningPath,
LearningPathResponse
} from "../../interfaces/learning-content";
import dwengoApiLearningPathProvider from "./dwengo-api-learning-path-provider";
import databaseLearningPathProvider from "./database-learning-path-provider";
import {EnvVars, getEnvVar} from "../../util/envvars";
const userContentPrefix = getEnvVar(EnvVars.UserContentPrefix);
const allProviders = [dwengoApiLearningPathProvider, databaseLearningPathProvider]
/**
* Service providing access to data about learning paths from the appropriate data source (database or Dwengo-api)
@ -8,15 +16,32 @@ const learningPathService = {
/**
* Fetch the learning paths with the given hruids from the data source.
*/
fetchLearningPaths(hruids: string[], language: string, source: string): Promise<LearningPathResponse> {
return dwengoApiLearningPathProvider.fetchLearningPaths(hruids, language, source);
async fetchLearningPaths(hruids: string[], language: string, source: string): Promise<LearningPathResponse> {
const userContentHruids = hruids.filter(hruid => hruid.startsWith(userContentPrefix));
const nonUserContentHruids = hruids.filter(hruid => !hruid.startsWith(userContentPrefix));
const userContentLearningPaths =
await databaseLearningPathProvider.fetchLearningPaths(userContentHruids, language, source);
const nonUserContentLearningPaths
= await databaseLearningPathProvider.fetchLearningPaths(nonUserContentHruids, language, source);
return {
data: (userContentLearningPaths.data || []).concat(nonUserContentLearningPaths.data || []),
source: source,
success: userContentLearningPaths.success || nonUserContentLearningPaths.success
};
},
/**
* Search learning paths in the data source using the given search string.
*/
searchLearningPaths(query: string, language: string): Promise<LearningPath[]> {
return dwengoApiLearningPathProvider.searchLearningPaths(query, language);
async searchLearningPaths(query: string, language: string): Promise<LearningPath[]> {
const providerResponses = await Promise.all(
allProviders.map(
provider => provider.searchLearningPaths(query, language)
)
);
return providerResponses.flat();
}
}