gardener/githubClient.js at main · 9w/gardener · GitHub

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class GitHubClient {
    constructor({token, appName, debug = false, fetcher = fetch}) {
        this.fetcher = fetcher;
        this.domain = 'https://api.github.com';
        this.debug = debug;
        this.headers = {
            Accept: 'application/vnd.github.v3+json',
            Authorization: `token ${token}`,
            'User-Agent': appName
        };
    }

    log(message, data) {
        if (this.debug) {
            console.log(`[GitHubClient] ${message}`, data || '');
        }
    }

    async request(url, options = {}) {
        try {
            this.log(`Request: ${options.method || 'GET'} ${url}`);

            const response = await this.fetcher(url, {
                method: options.method || 'GET',
                headers: this.headers,
                body: options.body ? JSON.stringify(options.body) : undefined
            });

            if (!response.ok) {
                const errorText = await response.text();
                throw new Error(`GitHub API Error: ${response.status} ${response.statusText} - ${errorText}`);
            }

            const data = await response.json();
            this.log('Response:', data);

            return data;
        } catch (error) {
            console.error(`GitHub API request failed: ${error.message}`);
            throw error;
        }
    }

    async getBranch(owner, repo, branch) {
        const data = await this.request(
            `${this.domain}/repos/${owner}/${repo}/branches/${branch}`
        );

        if (!data?.commit?.sha) {
            throw new Error(`Failed to get commit SHA from branch: ${branch}`);
        }

        return data.commit.sha;
    }

    async getTree(owner, repo, sha) {
        const data = await this.request(
            `${this.domain}/repos/${owner}/${repo}/git/trees/${sha}`
        );

        if (!data?.tree) {
            throw new Error(`Failed to get tree for SHA: ${sha}`);
        }

        return data.tree;
    }

    async createTree(owner, repo, tree) {
        const data = await this.request(
            `${this.domain}/repos/${owner}/${repo}/git/trees`,
            {
                method: 'POST',
                body: { tree }
            }
        );

        if (!data?.sha) {
            throw new Error('Failed to create tree');
        }

        return data.sha;
    }

    async createCommit(owner, repo, message, treeSha) {
        const data = await this.request(
            `${this.domain}/repos/${owner}/${repo}/git/commits`,
            {
                method: 'POST',
                body: {
                    message,
                    tree: treeSha
                }
            }
        );

        if (!data?.sha) {
            throw new Error('Failed to create commit');
        }

        return data.sha;
    }

    async updateReference(owner, repo, branch, sha, force = false) {
        const data = await this.request(
            `${this.domain}/repos/${owner}/${repo}/git/refs/heads/${branch}`,
            {
                method: 'PATCH',
                body: {
                    sha,
                    force
                }
            }
        );

        this.log('Reference updated successfully', data);
        return data;
    }
}

module.exports = GitHubClient;