81 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			81 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
| // Imports
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| import * as fs from 'fs';
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| import * as path from 'path';
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| import * as shell from 'shelljs';
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| import {HIDDEN_DIR_PREFIX} from '../common/constants';
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| import {GithubPullRequests} from '../common/github-pull-requests';
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| import {assertNotMissingOrEmpty} from '../common/utils';
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| 
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| // Classes
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| export class BuildCleaner {
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|   // Constructor
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|   constructor(protected buildsDir: string, protected repoSlug: string, protected githubToken: string) {
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|     assertNotMissingOrEmpty('buildsDir', buildsDir);
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|     assertNotMissingOrEmpty('repoSlug', repoSlug);
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|     assertNotMissingOrEmpty('githubToken', githubToken);
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|   }
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| 
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|   // Methods - Public
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|   public cleanUp(): Promise<void> {
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|     return Promise.all([
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|       this.getExistingBuildNumbers(),
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|       this.getOpenPrNumbers(),
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|     ]).then(([existingBuilds, openPrs]) => this.removeUnnecessaryBuilds(existingBuilds, openPrs));
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|   }
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| 
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|   // Methods - Protected
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|   protected getExistingBuildNumbers(): Promise<number[]> {
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|     return new Promise((resolve, reject) => {
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|       fs.readdir(this.buildsDir, (err, files) => {
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|         if (err) {
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|           return reject(err);
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|         }
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| 
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|         const buildNumbers = files.
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|           map(name => name.replace(HIDDEN_DIR_PREFIX, '')).   // Remove the "hidden dir" prefix
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|           map(Number).                                        // Convert string to number
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|           filter(Boolean);                                    // Ignore NaN (or 0), because they are not builds
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| 
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|         resolve(buildNumbers);
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|       });
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|     });
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|   }
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| 
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|   protected getOpenPrNumbers(): Promise<number[]> {
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|     const githubPullRequests = new GithubPullRequests(this.githubToken, this.repoSlug);
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| 
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|     return githubPullRequests.
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|       fetchAll('open').
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|       then(prs => prs.map(pr => pr.number));
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|   }
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| 
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|   protected removeDir(dir: string) {
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|     try {
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|       if (shell.test('-d', dir)) {
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|         shell.chmod('-R', 'a+w', dir);
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|         shell.rm('-rf', dir);
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|       }
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|     } catch (err) {
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|       console.error(`ERROR: Unable to remove '${dir}' due to:`, err);
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|     }
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|   }
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| 
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|   protected removeUnnecessaryBuilds(existingBuildNumbers: number[], openPrNumbers: number[]) {
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|     const toRemove = existingBuildNumbers.filter(num => !openPrNumbers.includes(num));
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| 
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|     console.log(`Existing builds: ${existingBuildNumbers.length}`);
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|     console.log(`Open pull requests: ${openPrNumbers.length}`);
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|     console.log(`Removing ${toRemove.length} build(s): ${toRemove.join(', ')}`);
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| 
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|     // Try removing public dirs.
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|     toRemove.
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|       map(num => path.join(this.buildsDir, String(num))).
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|       forEach(dir => this.removeDir(dir));
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| 
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|     // Try removing hidden dirs.
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|     toRemove.
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|       map(num => path.join(this.buildsDir, HIDDEN_DIR_PREFIX + String(num))).
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|       forEach(dir => this.removeDir(dir));
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|   }
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| }
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