/** Returns all drafts sorted by title. */
public Observable<List<Draft>> getAllDrafts() {
return fileManager
.getTree()
.flatMap(
new Func1<DirNode, Observable<List<Draft>>>() {
@Override
public Observable<List<Draft>> call(DirNode dirNode) {
// check if drafts dir exists
List<Draft> drafts = new ArrayList<>();
if (!dirNode.getEntries().containsKey(DIR_DRAFTS)) return Observable.just(drafts);
// parse titles
DirNode draftsDir = (DirNode) dirNode.getEntries().get(DIR_DRAFTS);
for (AbstractNode draftNode : draftsDir.getEntries().values()) {
if (!(draftNode instanceof FileNode)) continue;
Optional<Draft> draft = parseDraft((FileNode) draftNode);
if (draft.isPresent()) drafts.add(draft.get());
}
// sort by title
Collections.sort(drafts);
return Observable.just(drafts);
}
});
}
/** Returns all posts sorted by date with the newest first. */
public Observable<List<Post>> getAllPosts() {
return fileManager
.getTree()
.flatMap(
new Func1<DirNode, Observable<List<Post>>>() {
@Override
public Observable<List<Post>> call(DirNode dirNode) {
// check if post dir exists
List<Post> posts = new ArrayList<>();
if (!dirNode.getEntries().containsKey(DIR_POSTS)) return Observable.just(posts);
// parse titles
DirNode postsDir = (DirNode) dirNode.getEntries().get(DIR_POSTS);
for (AbstractNode postNode : postsDir.getEntries().values()) {
if (!(postNode instanceof FileNode)) continue;
Optional<Post> post = parsePost((FileNode) postNode);
if (post.isPresent()) posts.add(post.get());
}
// sort by date
Collections.sort(posts);
Collections.reverse(posts);
return Observable.just(posts);
}
});
}
/** Creates and returns a new draft file (locally). */
public Observable<Draft> createNewDraft(final String title) {
return fileManager
.getTree()
.flatMap(
new Func1<DirNode, Observable<Draft>>() {
@Override
public Observable<Draft> call(DirNode rootNode) {
try {
// create draft file and setup front matter
FileNode draftNode =
fileManager.createNewFile(
assertDir(rootNode, DIR_DRAFTS), draftTitleToFilename(title));
setupDefaultFrontMatter(draftNode, title);
return Observable.just(new Draft(title, draftNode));
} catch (IOException ioe) {
return Observable.error(ioe);
}
}
});
}
/**
* Moves a previously created post to the _drafts folder.
*
* @return the newly created draft.
*/
public Observable<Draft> unpublishPost(final Post post) {
final String draftTitle = draftTitleToFilename(post.getTitle());
return fileManager
.getTree()
// move draft
.flatMap(
new Func1<DirNode, Observable<FileNode>>() {
@Override
public Observable<FileNode> call(DirNode rootDir) {
DirNode draftsDir = assertDir(rootDir, DIR_DRAFTS);
return fileManager.moveFile(post.getFileNode(), draftsDir, draftTitle);
}
})
// create draft object
.flatMap(
new Func1<FileNode, Observable<Draft>>() {
@Override
public Observable<Draft> call(FileNode newNode) {
return Observable.just(new Draft(draftTitle, newNode));
}
});
}
/** Creates and returns a new post file (locally). */
public Observable<Post> createNewPost(final String title) {
return fileManager
.getTree()
.flatMap(
new Func1<DirNode, Observable<Post>>() {
@Override
public Observable<Post> call(DirNode rootNode) {
try {
// create post file and setup front matter
FileNode postNode =
fileManager.createNewFile(
assertDir(rootNode, DIR_POSTS), postTitleToFilename(title));
setupDefaultFrontMatter(postNode, title);
return Observable.just(
new Post(title, Calendar.getInstance().getTime(), postNode));
} catch (IOException ioe) {
return Observable.error(ioe);
}
}
});
}
/**
* Publishes a previously created draft to the _posts folder.
*
* @return the newly created post.
*/
public Observable<Post> publishDraft(final Draft draft) {
final String postTitle = postTitleToFilename(draft.getTitle());
return fileManager
.getTree()
// move draft
.flatMap(
new Func1<DirNode, Observable<FileNode>>() {
@Override
public Observable<FileNode> call(DirNode rootDir) {
DirNode postsDir = assertDir(rootDir, DIR_POSTS);
return fileManager.moveFile(draft.getFileNode(), postsDir, postTitle);
}
})
// create post object
.flatMap(
new Func1<FileNode, Observable<Post>>() {
@Override
public Observable<Post> call(FileNode newNode) {
return Observable.just(
new Post(postTitle, Calendar.getInstance().getTime(), newNode));
}
});
}