From: Ruben Beltran del Rio Date: Sat, 9 Mar 2024 13:17:34 +0000 (+0100) Subject: Allow sync up and down X-Git-Tag: 7.0.0~40 X-Git-Url: https://git.r.bdr.sh/rbdr/blog/commitdiff_plain/172f4c8807d44ebe38c7f227b7fdc2d6a9dbe323?ds=inline Allow sync up and down --- diff --git a/lib/archivers/gemlog.js b/lib/archivers/gemlog.js deleted file mode 100644 index 1bb0c10..0000000 --- a/lib/archivers/gemlog.js +++ /dev/null @@ -1,75 +0,0 @@ -import Dot from 'dot'; -import { cp, mkdir, readdir, readFile, writeFile } from 'fs/promises'; -import { debuglog } from 'util'; -import { join } from 'path'; -import { rmIfExists } from '../utils.js'; - -const internals = { - kIndexName: 'index.gmi', - kGeminiRe: /\.gmi$/i, - - debuglog: debuglog('blog'), - - buildUrl(id, slug) { - - return `./${id}/${slug}`; - }, - - buildTitle(id, slug) { - - const date = new Date(Number(id)); - const shortDate = date.toISOString().split('T')[0]; - const title = slug.split('-').join(' '); - return `${shortDate} ${title}`; - }, - - buildLink(id, slug) { - - return `=> ${internals.buildUrl(id,slug)} ${internals.buildTitle(id,slug)}`; - } -}; - -export default async function (templateDirectory, source, target) { - - internals.debuglog(`Reading archive ${source}`); - const postIds = (await readdir(source)) - .sort((a, b) => Number(b) - Number(a)); - const posts = []; - for (const id of postIds) { - const postDirectory = join(source, id); - const slug = (await readdir(postDirectory)) - .filter((entry) => internals.kGeminiRe.test(entry))[0]; - - posts.push({ id, slug }); - } - - internals.debuglog(`Read ${posts.length} posts`); - - internals.debuglog('Generating Archive Index'); - const indexLocation = join(templateDirectory, internals.kIndexName); - - internals.debuglog(`Reading ${indexLocation}`); - const indexTemplate = await readFile(indexLocation, { encoding: 'utf8' }); - - internals.debuglog('Writing Archive Index'); - const index = Dot.template(indexTemplate, { - ...Dot.templateSettings, - strip: false - })({ - posts: posts.map((post) => internals.buildLink(post.id, post.slug)).join('\n') - }); - - try { - internals.debuglog('Removing index'); - await rmIfExists(target); - } - finally { - internals.debuglog('Creating index'); - await mkdir(target); - const indexFile = join(target, internals.kIndexName); - await writeFile(indexFile, index); - - internals.debuglog('Copying posts to archive'); - await cp(source, target, { recursive: true }); - } -} diff --git a/lib/blog.js b/lib/blog.js deleted file mode 100644 index e1a76a8..0000000 --- a/lib/blog.js +++ /dev/null @@ -1,448 +0,0 @@ -import { access, cp, readdir, readFile, writeFile } from 'fs/promises'; -import { exec } from 'child_process'; -import { basename, join } from 'path'; -import ParseGemini from 'gemini-to-html/parse.js'; -import RenderGemini from 'gemini-to-html/render.js'; -import { debuglog, promisify } from 'util'; -import { ensureDirectoryExists, rmIfExists } from './utils.js'; -import { kFileNotFoundError } from './constants.js'; - -// Generators for the Blog - -import StaticGenerator from './generators/static.js'; -import HTMLGenerator from './generators/html.js'; -import RSSGenerator from './generators/rss.js'; -import TXTGenerator from './generators/txt.js'; - -// Archiving Methods - -import GemlogArchiver from './archivers/gemlog.js'; - -// Remote Handler - -import Remote from './remote.js'; - -const internals = { - - // Promisified functions - exec: promisify(exec), - - debuglog: debuglog('blog'), - - // constants - - kGeminiRe: /\.gmi$/i, - kMetadataFilename: 'metadata.json', - - // Strings - - strings: { - geminiNotFound: 'Gemini file was not found in blog directory. Please update.' - } -}; - -/** - * The Blog class is the blog generator, it's in charge of adding and - * updating posts, and handling the publishing. - * - * @class Blog - * @param {Blog.tConfiguration} config the initialization options to - * extend the instance - */ -export default class Blog { - - constructor(config) { - - Object.assign(this, config); - } - - /** - * Shifts the blog posts, adds the passed file to slot 0, and - * generates files. - * - * @function add - * @memberof Blog - * @param {string} postLocation the path to the blog post file - * @return {Promise} empty promise, returns no value - * @instance - */ - async add(postLocation) { - - await ensureDirectoryExists(this.postsDirectory); - try { - await this.syncDown(); - } - catch {} - - await this._shift(); - const firstDirectory = join(this.postsDirectory, '0'); - await rmIfExists(firstDirectory); - await ensureDirectoryExists(firstDirectory); - await this._update(postLocation); - } - - /** - * Update slot 0 with the passed gmi file, and generates files. - * - * @function update - * @memberof Blog - * @param {string} postLocation the path to the blog post file - * @return {Promise} empty promise, returns no value - * @instance - */ - async update(postLocation) { - - try { - await this.syncDown(); - } - catch {} - - await this._update(postLocation); - } - - /** - * Publishes the files to a static host. - * - * @function publish - * @memberof Blog - * @return {Promise} empty promise, returns no value - * @instance - */ - async publish(host) { - - internals.debuglog(`Publishing to ${host}`); - try { - await internals.exec('which rsync'); - } - catch (err) { - console.error('Please install and configure rsync to publish.'); - } - - try { - internals.debuglog(`Copying ephemeral blog from ${this.blogOutputDirectory}`); - await internals.exec(`rsync -r ${this.blogOutputDirectory}/ ${host}`); - } - catch (err) { - console.error('Failed to publish'); - console.error(err.stderr); - } - - internals.debuglog('Finished publishing'); - } - - /** - * Publishes the archive to a host using rsync. Currently assumes - * gemlog archive. - * - * @function publishArchive - * @memberof Blog - * @return {Promise} empty promise, returns no value - * @instance - */ - async publishArchive(host) { - - internals.debuglog(`Publishing archive to ${host}`); - try { - await internals.exec('which rsync'); - } - catch (err) { - console.error('Please install rsync to publish the archive.'); - } - - try { - internals.debuglog(`Copying archive from ${this.archiveOutputDirectory}`); - await internals.exec(`rsync -r ${this.archiveOutputDirectory}/ ${host}`); - } - catch (err) { - console.error('Failed to publish archive'); - console.error(err.stderr); - } - - internals.debuglog('Finished publishing'); - } - - /** - * Adds a remote - * - * @function addRemote - * @memberof Blog - * @return {Promise} empty promise, returns no value - * @instance - */ - async addRemote(remote) { - - await ensureDirectoryExists(this.configDirectory); - await Remote.add(this.remoteConfig, remote); - } - - /** - * Removes a remote - * - * @function removeRemote - * @memberof Blog - * @return {Promise} empty promise, returns no value - * @instance - */ - async removeRemote() { - - await Remote.remove(this.remoteConfig); - } - - - /** - * Pulls the posts and archive from the remote - * - * @function syncDown - * @memberof Blog - * @return {Promise} empty promise, returns no value - * @instance - */ - async syncDown() { - - internals.debuglog('Pulling remote state'); - await ensureDirectoryExists(this.dataDirectory); - await Remote.syncDown(this.remoteConfig, this.dataDirectory); - internals.debuglog('Pulled remote state'); - } - - /** - * Pushes the posts and archive to the remote - * - * @function syncUp - * @memberof Blog - * @return {Promise} empty promise, returns no value - * @instance - */ - async syncUp() { - - internals.debuglog('Pushing remote state'); - await ensureDirectoryExists(this.dataDirectory); - await Remote.syncUp(this.remoteConfig, this.dataDirectory); - internals.debuglog('Pushed remote state'); - } - - // Adds the passed path to slot 0, and generates files. - - async _update(postLocation) { - - const metadata = await this._getMetadata(); - await ensureDirectoryExists(this.postsDirectory); - await this._copyPost(postLocation); - await this._writeMetadata(metadata); - - await this._archive(postLocation); - - await this.generate(); - try { - await this.syncUp(); - } - catch {} - } - - - // Parses Gemini for each page, copies assets and generates index. - - async generate() { - - internals.debuglog('Generating output'); - - const posts = await this._readPosts(); - - // Start from a clean slate. - await rmIfExists(this.blogOutputDirectory); - await ensureDirectoryExists(this.blogOutputDirectory); - - // Run each generator - await StaticGenerator(this.staticDirectory, this.blogOutputDirectory, posts); - await HTMLGenerator(await this._templateDirectoryFor('index.html'), this.blogOutputDirectory, posts); - await RSSGenerator(await this._templateDirectoryFor('feed.xml'), this.blogOutputDirectory, posts); - await TXTGenerator(await this._templateDirectoryFor('index.txt'), this.blogOutputDirectory, posts); - - // Start from a clean slate. - await rmIfExists(this.archiveOutputDirectory); - await ensureDirectoryExists(this.archiveOutputDirectory); - await ensureDirectoryExists(this.archiveDirectory); - - // Run each archiver - await GemlogArchiver(await this._templateDirectoryFor('index.gmi'), this.archiveDirectory, this.archiveOutputDirectory); - // TODO: GopherArchiver - } - - // Reads the posts into an array - - async _readPosts() { - - internals.debuglog('Reading posts'); - const posts = []; - - for (let i = 0; i < this.maxPosts; ++i) { - try { - posts.push(await this._readPost(i)); - } - catch (error) { - if (error.code === kFileNotFoundError) { - internals.debuglog(`Skipping ${i}`); - continue; - } - - throw error; - } - } - - return posts; - } - - // Reads an individual post - - async _readPost(index = 0) { - - const postSourcePath = join(this.postsDirectory, `${index}`); - - internals.debuglog(`Reading ${postSourcePath}`); - - await access(postSourcePath); - - const metadata = await this._getMetadata(index); - - const postContentPath = await this._findBlogContent(postSourcePath); - internals.debuglog(`Reading ${postContentPath}`); - const postContent = await readFile(postContentPath, { encoding: 'utf8' }); - - internals.debuglog('Parsing Gemini'); - return { - ...metadata, - location: postSourcePath, - index, - html: RenderGemini(ParseGemini(postContent)), - raw: postContent - }; - } - - // Shift the posts, delete any remainder. - - async _shift() { - - - for (let i = this.maxPosts - 1; i >= 1; --i) { - const targetPath = join(this.postsDirectory, `${i}`); - const sourcePath = join(this.postsDirectory, `${i - 1}`); - - try { - internals.debuglog(`Archiving ${targetPath}`); - await rmIfExists(targetPath); - await access(sourcePath); // check the source path - - internals.debuglog(`Shifting blog post ${sourcePath} to ${targetPath}`); - await cp(sourcePath, targetPath, { recursive: true }); - } - catch (error) { - if (error.code === kFileNotFoundError) { - internals.debuglog(`Skipping ${sourcePath}: Does not exist.`); - continue; - } - - throw error; - } - } - } - - // Moves older posts to the archive - - async _archive() { - - internals.debuglog('Archiving post'); - const post = await this._readPost(0); - await ensureDirectoryExists(this.archiveDirectory); - - const targetPath = join(this.archiveDirectory, post.id); - - internals.debuglog(`Removing ${targetPath}`); - await rmIfExists(targetPath); - internals.debuglog(`Adding ${post.location} to ${targetPath}`); - await ensureDirectoryExists(targetPath); - await cp(post.location, targetPath, { recursive: true }); - internals.debuglog(`Added ${post.location} to ${targetPath}`); - } - - // Attempts to read existing metadata. Otherwise generates new set. - - async _getMetadata(index = 0) { - - const metadataTarget = join(this.postsDirectory, String(index), internals.kMetadataFilename); - - try { - internals.debuglog(`Looking for metadata at ${metadataTarget}`); - return JSON.parse(await readFile(metadataTarget, { encoding: 'utf8' })); - } - catch (e) { - internals.debuglog(`Metadata not found or unreadable. Generating new set.`); - const createdOn = Date.now(); - const metadata = { - id: String(createdOn), - createdOn - }; - - return metadata; - } - } - - // Writes metadata. Assumes post 0 since it only gets written - // on create - - async _writeMetadata(metadata) { - - const metadataTarget = join(this.postsDirectory, '0', internals.kMetadataFilename); - internals.debuglog(`Writing ${metadataTarget}`); - await writeFile(metadataTarget, JSON.stringify(metadata, null, 2)); - } - - // Copies a post file to the latest slot. - - async _copyPost(postLocation) { - - internals.debuglog(`Copying ${postLocation}`); - const targetPath = join(this.postsDirectory, '0'); - const postName = basename(postLocation); - const targetPost = join(targetPath, postName); - - await rmIfExists(targetPath); - await ensureDirectoryExists(targetPath); - await cp(postLocation, targetPost, { recursive: true }); - internals.debuglog(`Added ${postLocation} to ${targetPath}`); - } - - // Looks for a `.gmi` file in the blog directory, and returns the path - - async _findBlogContent(directory) { - - const entries = await readdir(directory); - - const geminiEntries = entries - .filter((entry) => internals.kGeminiRe.test(entry)) - .map((entry) => join(directory, entry)); - - if (geminiEntries.length > 0) { - internals.debuglog(`Found gemini file: ${geminiEntries[0]}`); - return geminiEntries[0]; - } - - throw new Error(internals.strings.geminiNotFound); - } - - // Gets the template directory for a given template. - async _templateDirectoryFor(template) { - - try { - await access(join(this.templatesDirectory, template)); - return this.templatesDirectory; - } - catch (error) { - if (error.code === kFileNotFoundError) { - internals.debuglog(`No custom template for ${template}`); - return this.defaultTemplatesDirectory; - } - - throw error; - } - } -} diff --git a/lib/generators/html.js b/lib/generators/html.js deleted file mode 100644 index 2004696..0000000 --- a/lib/generators/html.js +++ /dev/null @@ -1,35 +0,0 @@ -import Dot from 'dot'; -import { readFile, writeFile } from 'fs/promises'; -import { join } from 'path'; -import { debuglog } from 'util'; - -const internals = { - debuglog: debuglog('blog'), - - kIndexName: 'index.html' -}; - -/** - * Generates the blog index page - * - * @name HTMLGenerator - * @param {string} source the source directory - * @param {string} target the target directory - * @param {Array.} posts the list of posts - */ -export default async function HTMLGenerator(source, target, posts) { - - internals.debuglog('Generating HTML'); - const indexTarget = join(target, internals.kIndexName); - const indexLocation = join(source, internals.kIndexName); - - internals.debuglog(`Reading ${indexLocation}`); - const indexTemplate = await readFile(indexLocation, { encoding: 'utf8' }); - - internals.debuglog('Writing HTML'); - const indexHtml = Dot.template(indexTemplate, { - ...Dot.templateSettings, - strip: false - })({ posts }); - await writeFile(indexTarget, indexHtml); -} diff --git a/lib/generators/rss.js b/lib/generators/rss.js deleted file mode 100644 index c47ba03..0000000 --- a/lib/generators/rss.js +++ /dev/null @@ -1,51 +0,0 @@ -import Dot from 'dot'; -import { encodeXML } from 'entities'; -import { readFile, writeFile } from 'fs/promises'; -import { join } from 'path'; -import { debuglog } from 'util'; - -const internals = { - debuglog: debuglog('blog'), - - kFeedName: 'feed.xml', - - extractTitle(postText) { - - return postText.trim() - .split('\n')[0] - .replace('#', '') - .replace(/&/g, '&') - .trim(); - } -}; - -/** - * Generates an RSS feed XML file - * - * @name RSSGenerator - * @param {string} source the source directory - * @param {string} target the target directory - * @param {Array.} posts the list of posts - */ -export default async function RSSGenerator(source, target, posts) { - - internals.debuglog('Generating RSS'); - const feedTarget = join(target, internals.kFeedName); - const feedLocation = join(source, internals.kFeedName); - - internals.debuglog(`Reading ${feedLocation}`); - const feedTemplate = await readFile(feedLocation, { encoding: 'utf8' }); - - internals.debuglog('Writing RSS'); - posts = posts.map((post) => ({ - ...post, - createdOn: (new Date(post.createdOn)).toUTCString(), - title: internals.extractTitle(post.raw), - html: encodeXML(post.html) - })); - const feedXml = Dot.template(feedTemplate, { - ...Dot.templateSettings, - strip: false - })({ posts }); - await writeFile(feedTarget, feedXml); -} diff --git a/lib/generators/static.js b/lib/generators/static.js deleted file mode 100644 index 45f5a04..0000000 --- a/lib/generators/static.js +++ /dev/null @@ -1,48 +0,0 @@ -import { access, cp, readdir } from 'fs/promises'; -import { constants } from 'fs'; -import { join } from 'path'; -import { debuglog } from 'util'; -import { kFileNotFoundError } from '../constants.js'; - -const internals = { - debuglog: debuglog('blog'), - kAssetsDirectoryName: 'assets' -}; - -/** - * Generates the static assets required for the blog - * - * @name StaticGenerator - * @param {string} source the source directory - * @param {string} target the target directory - * @param {Array.} posts the list of posts - */ -export default async function StaticGenerator(source, target, _) { - - try { - await access(source, constants.R_OK); - - const entries = await readdir(source, { withFileTypes: true }); - for (const entry of entries) { - const sourceAsset = join(source, entry.name); - const targetAsset = join(target, entry.name); - - internals.debuglog(`Copying ${sourceAsset} to ${targetAsset}`); - - if (entry.isDirectory()) { - await cp(sourceAsset, targetAsset, { recursive: true }); - } - else { - await cp(sourceAsset, targetAsset); - } - } - } - catch (error) { - if (error.code === kFileNotFoundError) { - internals.debuglog(`No static directory found in ${source}`); - return; - } - - throw error; - } -} diff --git a/lib/generators/txt.js b/lib/generators/txt.js deleted file mode 100644 index c3d7778..0000000 --- a/lib/generators/txt.js +++ /dev/null @@ -1,35 +0,0 @@ -import Dot from 'dot'; -import { readFile, writeFile } from 'fs/promises'; -import { join } from 'path'; -import { debuglog } from 'util'; - -const internals = { - debuglog: debuglog('blog'), - - kTextName: 'index.txt' -}; - -/** - * Generates a TXT version of the blog - * - * @name TXTGenerator - * @param {string} source the source directory - * @param {string} target the target directory - * @param {Array.} posts the list of posts - */ -export default async function TXTGenerator(source, target, posts) { - - internals.debuglog('Generating TXT'); - const textTarget = join(target, internals.kTextName); - const textLocation = join(source, internals.kTextName); - - internals.debuglog(`Reading ${textLocation}`); - const textTemplate = await readFile(textLocation, { encoding: 'utf8' }); - - internals.debuglog('Writing TXT'); - const text = Dot.template(textTemplate, { - ...Dot.templateSettings, - strip: false - })({ posts }); - await writeFile(textTarget, text); -} diff --git a/lib/remote.js b/lib/remote.js deleted file mode 100644 index ad0a4fc..0000000 --- a/lib/remote.js +++ /dev/null @@ -1,57 +0,0 @@ -import { readFile, writeFile } from 'fs/promises'; -import { rmIfExists } from './utils.js'; - -import GitStrategy from './remotes/git.js'; - -const internals = { - strings: { - configurationNotFound: 'Remote configuration not set, consult help for more info.' - }, - strategies: [ - GitStrategy - ] -}; - -export default { - async add(remoteConfig, remote) { - - await writeFile(remoteConfig, remote); - }, - - async remove(remoteConfig) { - - await rmIfExists(remoteConfig); - }, - - async syncUp(remoteConfig, blogDirectory) { - - await this._executeMethodOnStrategy(remoteConfig, 'syncUp', blogDirectory); - }, - - async syncDown(remoteConfig, blogDirectory) { - - await this._executeMethodOnStrategy(remoteConfig, 'syncDown', blogDirectory); - }, - - async _executeMethodOnStrategy(remoteConfig, method, blogDirectory) { - - const remote = await this._ensureConfiguration(remoteConfig); - - for (const strategy of internals.strategies) { - if (strategy.canHandle(remote)) { - await strategy[method](remote, blogDirectory); - } - } - }, - - async _ensureConfiguration(remoteConfig) { - - try { - const configuration = await readFile(remoteConfig, { encoding: 'utf8' }); - return configuration; - } - catch { - throw new Error(internals.strings.configurationNotFound); - } - } -}; diff --git a/lib/remotes/git.js b/lib/remotes/git.js deleted file mode 100644 index 75ef43e..0000000 --- a/lib/remotes/git.js +++ /dev/null @@ -1,35 +0,0 @@ -import { exec } from 'child_process'; -import { promisify } from 'util'; - -const internals = { - // Promisified functions - exec: promisify(exec) -}; - -export default { - canHandle() { - - // For the future: actually check if it's a valid git url - return true; - }, - - async syncUp(remote, blogDirectory) { - - await internals.exec(`cd ${blogDirectory} && git init -b main`); - await internals.exec(`cd ${blogDirectory} && git add .`); - await internals.exec(`cd ${blogDirectory} && git commit --allow-empty -m blog-sync-up-${Date.now()}`); - await internals.exec(`cd ${blogDirectory} && git push ${remote} main --force`); - }, - - async syncDown(remote, blogDirectory) { - - await internals.exec(`cd ${blogDirectory} && git init -b main`); - try { - await internals.exec(`cd ${blogDirectory} && git checkout .`); - } - catch {} - - await internals.exec(`cd ${blogDirectory} && git clean . -f`); - await internals.exec(`cd ${blogDirectory} && git pull ${remote} main`); - } -}; diff --git a/lib/utils.js b/lib/utils.js deleted file mode 100644 index cee3f47..0000000 --- a/lib/utils.js +++ /dev/null @@ -1,34 +0,0 @@ -import { access, constants, mkdir, rm } from 'fs/promises'; -import { kFileNotFoundError } from './constants.js'; - -// File system utilities - -export const rmIfExists = async function rmIfExists(location) { - - try { - await access(location, constants.F_OK); - await rm(location, { recursive: true }); - } - catch (error) { - if (error.code === kFileNotFoundError) { - return; - } - - throw error; - } -}; - -export const ensureDirectoryExists = async function ensureDirectoryExists(directory) { - - try { - await access(directory); - } - catch (error) { - if (error.code === kFileNotFoundError) { - await mkdir(directory, { recursive: true }); - return; - } - - throw error; - } -}; diff --git a/src/command/add_remote.rs b/src/command/add_remote.rs index ad7be83..040e572 100644 --- a/src/command/add_remote.rs +++ b/src/command/add_remote.rs @@ -1,6 +1,6 @@ -use std::fs::{create_dir_all, write}; use std::io::Result; use crate::configuration::Configuration; +use crate::remote::add; pub struct AddRemote; @@ -16,10 +16,8 @@ impl super::Command for AddRemote { } fn execute(&self, input: Option<&String>, configuration: &Configuration, _: &String) -> Result<()> { - create_dir_all(&configuration.config_directory)?; let input = input.expect("You must provide a location for the remote."); - write(&configuration.remote_config, input)?; - return Ok(()) + add(&configuration.config_directory, &configuration.remote_config, input) } fn after_dependencies(&self) -> Vec> { diff --git a/src/command/remove_remote.rs b/src/command/remove_remote.rs index b2f554c..7590487 100644 --- a/src/command/remove_remote.rs +++ b/src/command/remove_remote.rs @@ -1,6 +1,6 @@ -use std::fs::remove_file; use std::io::Result; use crate::configuration::Configuration; +use crate::remote::remove; pub struct RemoveRemote; @@ -16,10 +16,7 @@ impl super::Command for RemoveRemote { } fn execute(&self, _: Option<&String>, configuration: &Configuration, _: &String) -> Result<()> { - if configuration.remote_config.exists() { - remove_file(&configuration.remote_config)?; - } - return Ok(()) + remove(&configuration.remote_config) } fn after_dependencies(&self) -> Vec> { diff --git a/src/command/sync_down.rs b/src/command/sync_down.rs index dc4114e..bba34b2 100644 --- a/src/command/sync_down.rs +++ b/src/command/sync_down.rs @@ -1,6 +1,6 @@ -use std::fs::create_dir_all; -use std::io::{Result, Error}; +use std::io::{Result}; use crate::configuration::Configuration; +use crate::remote::sync_down; pub struct SyncDown; @@ -16,16 +16,10 @@ impl super::Command for SyncDown { } fn execute(&self, _: Option<&String>, configuration: &Configuration, command: &String) -> Result<()> { - match create_dir_all(&configuration.data_directory) { - Ok(_) => { - // We only care to show these warnings if this is the primary command. - if command == self.command() { - println!("WARNING: Sync Down Not yet implemented"); - } - return Ok(()) - }, - Err(e) => Err(Error::new(e.kind(), format!("Could not create data directory"))) + if command == self.command() { + return sync_down(&configuration.data_directory, &configuration.remote_config); } + return Ok(()) } fn after_dependencies(&self) -> Vec> { diff --git a/src/command/sync_up.rs b/src/command/sync_up.rs index 635de10..a5d2a4c 100644 --- a/src/command/sync_up.rs +++ b/src/command/sync_up.rs @@ -1,5 +1,6 @@ use std::io::Result; use crate::configuration::Configuration; +use crate::remote::sync_up; pub struct SyncUp; @@ -14,9 +15,8 @@ impl super::Command for SyncUp { vec![] } - fn execute(&self, input: Option<&String>, _: &Configuration, _: &String) -> Result<()> { - println!("Sync Up: {:?}!", input); - return Ok(()) + fn execute(&self, _: Option<&String>, configuration: &Configuration, _: &String) -> Result<()> { + sync_up(&configuration.data_directory, &configuration.remote_config) } fn after_dependencies(&self) -> Vec> { diff --git a/src/main.rs b/src/main.rs index a0a9fef..8867dc0 100644 --- a/src/main.rs +++ b/src/main.rs @@ -9,6 +9,7 @@ mod metadata; mod post; mod template; mod utils; +mod remote; use std::iter::once; use std::env::args; diff --git a/src/remote/git.rs b/src/remote/git.rs new file mode 100644 index 0000000..a4c1c28 --- /dev/null +++ b/src/remote/git.rs @@ -0,0 +1,60 @@ +use std::io::Result; +use std::path::PathBuf; +use std::process::Command; +use std::time::{SystemTime, UNIX_EPOCH}; + +pub struct Git; + +impl Git { + pub fn new() -> Self { + Git + } +} + +impl super::Remote for Git { + fn can_handle(&self, _: &str) -> bool { + // If we ever implement another remote we will want a check strategy + true + } + + fn sync_up(&self, remote: &str, directory: &PathBuf) -> Result<()> { + let timestamp = SystemTime::now().duration_since(UNIX_EPOCH) + .expect("Invalid time") + .as_millis(); + + let commands = vec![ + format!("cd {} && git init -b main", directory.display()), + format!("cd {} && git add .", directory.display()), + format!("cd {} && git commit --allow-empty -m blog-sync-up-{}", directory.display(), timestamp), + format!("cd {} && git push {} main --force", directory.display(), remote), + ]; + + for command in commands { + Command::new("sh") + .arg("-c") + .arg(&command) + .status() + .expect("Failed while performing sync up with git"); + } + + Ok(()) + } + + fn sync_down(&self, remote: &str, directory: &PathBuf) -> Result<()> { + let commands = vec![ + format!("cd {} && git init -b main", directory.display()), + format!("cd {} && git checkout .", directory.display()), + format!("cd {} && git clean . -f", directory.display()), + format!("cd {} && git pull {} main", directory.display(), remote), + ]; + + for command in commands { + Command::new("sh") + .arg("-c") + .arg(&command) + .status() + .expect("Failed while performing sync down with git"); + } + Ok(()) + } +} diff --git a/src/remote/mod.rs b/src/remote/mod.rs index e69de29..de90ef5 100644 --- a/src/remote/mod.rs +++ b/src/remote/mod.rs @@ -0,0 +1,65 @@ +mod git; + +use std::fs::{create_dir_all, remove_file, write, File}; +use std::io::{Error, ErrorKind::Other, Read, Result}; +use std::path::PathBuf; + +use git::Git; + +pub trait Remote { + fn can_handle(&self, remote: &str) -> bool; + fn sync_up(&self, remote: &str, directory: &PathBuf) -> Result<()>; + fn sync_down(&self, remote: &str, directory: &PathBuf) -> Result<()>; +} + +pub fn add(config_directory: &PathBuf, remote_config: &PathBuf, remote: &String) -> Result<()> { + create_dir_all(config_directory)?; + write(remote_config, remote)?; + Ok(()) +} + +pub fn remove(remote_config: &PathBuf) -> Result<()> { + if remote_config.exists() { + remove_file(remote_config)? + } + Ok(()) +} + +pub fn sync_up(data_directory: &PathBuf, remote_config: &PathBuf) -> Result<()> { + let remote_address = read_remote(remote_config) + .expect("No remote is configured"); + create_dir_all(data_directory)?; + let remotes = available_remotes(); + for remote in remotes { + if remote.can_handle(&remote_address) { + return remote.sync_up(&remote_address, data_directory); + } + } + Err(Error::new(Other, "No valid strategies found for your configured remote.")) +} + +pub fn sync_down(data_directory: &PathBuf, remote_config: &PathBuf) -> Result<()> { + let remote_address = read_remote(remote_config) + .expect("No remote is configured"); + create_dir_all(data_directory)?; + let remotes = available_remotes(); + for remote in remotes { + if remote.can_handle(&remote_address) { + return remote.sync_down(&remote_address, data_directory); + } + } + Err(Error::new(Other, "No valid strategies found for your configured remote.")) +} + +fn available_remotes() -> Vec> { + vec![ + Box::new(Git::new()) + ] +} + +fn read_remote(file_path: &PathBuf) -> Option { + let mut file = File::open(file_path).ok()?; + let mut contents = String::new(); + file.read_to_string(&mut contents).ok()?; + Some(contents) +}