Working on blog stuff
This commit is contained in:
Caleb Gardner
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# Blog module
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A simple blog module for darkstorm-backend.
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## Requests
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### Author info
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> GET /author/{authorID}
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```json
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```
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### Blog
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#### Specific blog
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> GET /blog/{blogID}
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Return:
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```json
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{
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id: "blogID",
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createTime: 0, // creation time in Unix format
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updateTime: 0, // last update time in Unix format
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author: "authorID",
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favicon: "favicon url",
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title: "blog title",
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blog: "blog", // blog will have been converted to HTML
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}
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```
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#### Latest blogs
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> GET /blog?page=0
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Will return up to 5 blogs. `page` query is optional (implies 0 if not set).
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Return:
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```json
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{
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num: 1, // Number of returned results, returns up to 5 results
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blogs: [
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{
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id: "blogID",
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createTime: 0, // creation time in Unix format
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updateTime: 0, // last update time in Unix format
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author: "authorID",
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favicon: "favicon url",
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title: "blog title",
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blog: "blog", // blog will have been converted to HTML
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}
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...
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]
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}
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```
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#### Blog List
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> GET /blog/list?page=0
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Will return up to 50 IDs. `page` query is optional (implies 0 if not set).
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Return:
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```json
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{
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num: 1, // Number of returned results, returns up to 50 results
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blogList: [
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{
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id: "blogID",
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createTime: 0, // Unix format
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},
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{
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id: "blogID",
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createTime: 0, // Unix format
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},
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...
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]
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}
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```
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@@ -0,0 +1,54 @@
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package blog
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import (
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"context"
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"log"
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"net/http"
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"github.com/CalebQ42/darkstorm-server/internal/backend"
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"go.mongodb.org/mongo-driver/bson"
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"go.mongodb.org/mongo-driver/mongo"
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)
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type Author struct {
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ID string `json:"id" bson:"_id"`
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About string `json:"about" bson:"about"`
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PicURL string `json:"picurl" bson:"picurl"`
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}
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func (b *BlogApp) AboutCaleb() (*Author, error) {
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res := b.authCol.FindOne(context.Background(), bson.M{"_id": "caleb_gardner"})
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if res.Err() != nil {
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log.Println("error getting about me:", res.Err())
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if res.Err() == mongo.ErrNoDocuments {
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return nil, backend.ErrNotFound
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}
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return nil, res.Err()
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}
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var aboutMe Author
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err := res.Decode(&aboutMe)
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if err != nil {
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log.Println("error decoding about me:", res)
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return nil, err
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}
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return &aboutMe, nil
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}
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func (b *BlogApp) GetAuthorInfo(w http.ResponseWriter, r *http.Request) {
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}
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func (b *BlogApp) SetAuthorInfo(w http.ResponseWriter, r *http.Request) {
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hdr, err := b.back.VerifyHeader(w, r, "managment", true)
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if hdr == nil {
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if err != nil {
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log.Println("error verifying apiKey:", err)
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}
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return
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}
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if hdr.Key.AppID != "blog" {
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backend.ReturnError(w, http.StatusUnauthorized, "invalidKey", "Application not authorized")
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return
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}
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}
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@@ -0,0 +1,173 @@
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package blog
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import (
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"context"
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"encoding/json"
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"log"
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"net/http"
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"strconv"
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"github.com/CalebQ42/darkstorm-server/internal/backend"
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"go.mongodb.org/mongo-driver/bson"
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"go.mongodb.org/mongo-driver/mongo"
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"go.mongodb.org/mongo-driver/mongo/options"
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)
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type Blog struct {
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ID string `json:"id" bson:"_id"`
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Author string `json:"author" bson:"author"`
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Favicon string `json:"favicon" bson:"favicon"`
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Title string `json:"title" bson:"title"`
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Blog string `json:"blog" bson:"blog"`
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CreateTime int `json:"createTime" bson:"createTime"`
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UpdateTime int `json:"updateTime" bson:"updateTime"`
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}
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func (b *Blog) ConvertBlog() {
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//TODO: parse BBCode/Markdown from blog
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//b.Blog = bbCodeConvert(b.Blog)
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}
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func (b *BlogApp) GetAuthor(blog *Blog) (*Author, error) {
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res := b.authCol.FindOne(context.Background(), bson.M{"_id": blog.Author})
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if res.Err() != nil {
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if res.Err() == mongo.ErrNoDocuments {
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return nil, backend.ErrNotFound
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}
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return nil, res.Err()
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}
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var author Author
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err := res.Decode(&author)
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return &author, err
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}
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func (b *BlogApp) GetBlog(ID string) (*Blog, error) {
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res := b.blogCol.FindOne(context.Background(), bson.M{"_id": ID})
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if res.Err() != nil {
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if res.Err() == mongo.ErrNoDocuments {
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return nil, backend.ErrNotFound
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}
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return nil, res.Err()
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}
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var blog Blog
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err := res.Decode(blog)
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if err != nil {
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return nil, err
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}
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blog.ConvertBlog()
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return &blog, nil
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}
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func (b *BlogApp) Blog(w http.ResponseWriter, r *http.Request) {
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blogID := r.PathValue("blogID")
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if blogID == "" {
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backend.ReturnError(w, http.StatusBadRequest, "badRequest", "Must provide a blogID")
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return
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}
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blog, err := b.GetBlog(blogID)
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if err != nil {
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if err == backend.ErrNotFound {
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backend.ReturnError(w, http.StatusNotFound, "notFound", "Not blog found with the given ID")
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return
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}
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log.Println("error getting blog:", err)
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backend.ReturnError(w, http.StatusInternalServerError, "internal", "Server error")
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return
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}
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json.NewEncoder(w).Encode(blog)
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}
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func (b *BlogApp) GetLatestBlogs(page int64) ([]Blog, error) {
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res, err := b.blogCol.Find(context.Background(), bson.M{}, options.Find().
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SetSort(bson.M{"createTime": 1}).
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SetLimit(5).
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SetSkip(page*5))
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if err != nil {
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if err == mongo.ErrNoDocuments {
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return nil, backend.ErrNotFound
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}
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return nil, err
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}
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var out []Blog
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err = res.All(context.Background(), &out)
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if err != nil {
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return nil, err
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}
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for i := range out {
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out[i].ConvertBlog()
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}
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return out, nil
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}
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func (b *BlogApp) LatestBlogs(w http.ResponseWriter, r *http.Request) {
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var page int
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var err error
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pagQuery := r.URL.Query().Get("page")
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if pagQuery != "" {
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page, err = strconv.Atoi(pagQuery)
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if err != nil {
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page = 0
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}
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}
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blogs, err := b.GetLatestBlogs(int64(page))
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if err != nil && err != backend.ErrNotFound {
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backend.ReturnError(w, http.StatusInternalServerError, "internal", "internal error")
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return
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}
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var ret struct {
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Blogs []Blog `json:"blogs"`
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Num int `json:"num"`
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}
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ret.Num = len(blogs)
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ret.Blogs = blogs
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json.NewEncoder(w).Encode(ret)
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}
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type BlogListResult struct {
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ID string `json:"id" bson:"_id"`
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CreateTime int `json:"createTime" bson:"createTime"`
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}
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func (b *BlogApp) GetBlogList(page int64) ([]BlogListResult, error) {
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res, err := b.blogCol.Find(context.Background(), bson.M{}, options.Find().
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SetProjection(bson.M{"_id": 1, "createTime": 1}).
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SetSort(bson.M{"createTime": 1}).
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SetLimit(50).
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SetSkip(page*50))
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if err != nil {
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if err == mongo.ErrNoDocuments {
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return nil, backend.ErrNotFound
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}
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return nil, err
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}
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var out []BlogListResult
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err = res.All(context.Background(), &out)
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if err != nil {
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return nil, err
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}
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return out, nil
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}
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func (b *BlogApp) BlogList(w http.ResponseWriter, r *http.Request) {
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var page int
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var err error
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pagQuery := r.URL.Query().Get("page")
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if pagQuery != "" {
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page, err = strconv.Atoi(pagQuery)
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if err != nil {
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page = 0
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}
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}
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blogList, err := b.GetBlogList(int64(page))
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if err != nil && err != backend.ErrNotFound {
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backend.ReturnError(w, http.StatusInternalServerError, "internal", "internal error")
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return
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}
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var ret struct {
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BlogList []BlogListResult `json:"blogList"`
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Num int `json:"num"`
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}
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ret.Num = len(blogList)
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ret.BlogList = blogList
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json.NewEncoder(w).Encode(ret)
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}
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@@ -0,0 +1,27 @@
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package blog
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import (
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"net/http"
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"github.com/CalebQ42/darkstorm-server/internal/backend"
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"go.mongodb.org/mongo-driver/mongo"
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)
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type BlogApp struct {
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back *backend.Backend
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blogCol *mongo.Collection
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authCol *mongo.Collection
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}
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func NewBlogApp(b *backend.Backend, db *mongo.Database, mux *http.ServeMux) *BlogApp {
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out := &BlogApp{
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back: b,
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blogCol: db.Collection("blog"),
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authCol: db.Collection("author"),
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}
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// setup mux
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mux.HandleFunc("GET /blog/", out.LatestBlogs)
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mux.HandleFunc("GET /blog/{blogID}", out.Blog)
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//TODO
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return out
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}
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