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Add blog service & follow model changes in tags/posts (#22)

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This commit is contained in:
Janos Dobronszki
2020-11-03 14:14:00 +01:00
committed by GitHub
parent 3642f7279d
commit b30adabfc3
20 changed files with 415 additions and 117 deletions
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67
blog/posts/handler/posts.go
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@@ -11,8 +11,7 @@ import (
"github.com/micro/dev/model"
"github.com/gosimple/slug"
pb "github.com/micro/services/blog/posts/proto/posts"
posts "github.com/micro/services/blog/posts/proto/posts"
proto "github.com/micro/services/blog/posts/proto"
tags "github.com/micro/services/blog/tags/proto"
)
@@ -20,19 +19,9 @@ const (
tagType = "post-tag"
)
type Post struct {
ID string `json:"id"`
Title string `json:"title"`
Slug string `json:"slug"`
Content string `json:"content"`
Created int64 `json:"created"`
Updated int64 `json:"updated"`
Tags []string `json:"tags"`
}
type Posts struct {
Tags tags.TagsService
db model.Table
db model.Model
}
func NewPosts(tagsService tags.TagsService) *Posts {
@@ -41,35 +30,35 @@ func NewPosts(tagsService tags.TagsService) *Posts {
return &Posts{
Tags: tagsService,
db: model.NewTable(
db: model.New(
store.DefaultStore,
"posts",
model.Indexes(model.ByEquality("slug"), createdIndex),
&model.TableOptions{
&model.ModelOptions{
Debug: false,
},
),
}
}
func (p *Posts) Save(ctx context.Context, req *posts.SaveRequest, rsp *posts.SaveResponse) error {
func (p *Posts) Save(ctx context.Context, req *proto.SaveRequest, rsp *proto.SaveResponse) error {
if len(req.Id) == 0 {
return errors.BadRequest("posts.save.input-check", "Id is missing")
return errors.BadRequest("proto.save.input-check", "Id is missing")
}
// read by post
posts := []Post{}
posts := []*proto.Post{}
q := model.Equals("id", req.Id)
q.Order.Type = model.OrderTypeUnordered
err := p.db.List(q, &posts)
if err != nil {
return errors.InternalServerError("posts.save.store-id-read", "Failed to read post by id: %v", err.Error())
return errors.InternalServerError("proto.save.store-id-read", "Failed to read post by id: %v", err.Error())
}
postSlug := slug.Make(req.Title)
// If no existing record is found, create a new one
if len(posts) == 0 {
post := &Post{
ID: req.Id,
post := &proto.Post{
Id: req.Id,
Title: req.Title,
Content: req.Content,
Tags: req.Tags,
@@ -78,14 +67,14 @@ func (p *Posts) Save(ctx context.Context, req *posts.SaveRequest, rsp *posts.Sav
}
err := p.savePost(ctx, nil, post)
if err != nil {
return errors.InternalServerError("posts.save.post-save", "Failed to save new post: %v", err.Error())
return errors.InternalServerError("proto.save.post-save", "Failed to save new post: %v", err.Error())
}
return nil
}
oldPost := &posts[0]
oldPost := posts[0]
post := &Post{
ID: req.Id,
post := &proto.Post{
Id: req.Id,
Title: oldPost.Title,
Content: oldPost.Content,
Slug: oldPost.Slug,
@@ -112,22 +101,22 @@ func (p *Posts) Save(ctx context.Context, req *posts.SaveRequest, rsp *posts.Sav
}
}
postsWithThisSlug := []Post{}
postsWithThisSlug := []*proto.Post{}
err = p.db.List(model.Equals("slug", postSlug), &postsWithThisSlug)
if err != nil {
return errors.InternalServerError("posts.save.store-read", "Failed to read post by slug: %v", err.Error())
return errors.InternalServerError("proto.save.store-read", "Failed to read post by slug: %v", err.Error())
}
if len(postsWithThisSlug) > 0 {
if oldPost.ID != postsWithThisSlug[0].ID {
return errors.BadRequest("posts.save.slug-check", "An other post with this slug already exists")
if oldPost.Id != postsWithThisSlug[0].Id {
return errors.BadRequest("proto.save.slug-check", "An other post with this slug already exists")
}
}
return p.savePost(ctx, oldPost, post)
}
func (p *Posts) savePost(ctx context.Context, oldPost, post *Post) error {
func (p *Posts) savePost(ctx context.Context, oldPost, post *proto.Post) error {
err := p.db.Save(post)
if err != nil {
return err
@@ -135,7 +124,7 @@ func (p *Posts) savePost(ctx context.Context, oldPost, post *Post) error {
if oldPost == nil {
for _, tagName := range post.Tags {
_, err := p.Tags.Add(ctx, &tags.AddRequest{
ResourceID: post.ID,
ResourceID: post.Id,
Type: tagType,
Title: tagName,
})
@@ -145,7 +134,7 @@ func (p *Posts) savePost(ctx context.Context, oldPost, post *Post) error {
}
return nil
}
return p.diffTags(ctx, post.ID, oldPost.Tags, post.Tags)
return p.diffTags(ctx, post.Id, oldPost.Tags, post.Tags)
}
func (p *Posts) diffTags(ctx context.Context, parentID string, oldTagNames, newTagNames []string) error {
@@ -186,7 +175,7 @@ func (p *Posts) diffTags(ctx context.Context, parentID string, oldTagNames, newT
return nil
}
func (p *Posts) Query(ctx context.Context, req *pb.QueryRequest, rsp *pb.QueryResponse) error {
func (p *Posts) Query(ctx context.Context, req *proto.QueryRequest, rsp *proto.QueryResponse) error {
var q model.Query
if len(req.Slug) > 0 {
logger.Infof("Reading post by slug: %v", req.Slug)
@@ -208,15 +197,15 @@ func (p *Posts) Query(ctx context.Context, req *pb.QueryRequest, rsp *pb.QueryRe
logger.Infof("Listing posts, offset: %v, limit: %v", req.Offset, limit)
}
posts := []Post{}
posts := []*proto.Post{}
err := p.db.List(q, &posts)
if err != nil {
return errors.BadRequest("posts.query.store-read", "Failed to read from store: %v", err.Error())
return errors.BadRequest("proto.query.store-read", "Failed to read from store: %v", err.Error())
}
rsp.Posts = make([]*pb.Post, len(posts))
rsp.Posts = make([]*proto.Post, len(posts))
for i, post := range posts {
rsp.Posts[i] = &pb.Post{
Id: post.ID,
rsp.Posts[i] = &proto.Post{
Id: post.Id,
Title: post.Title,
Slug: post.Slug,
Content: post.Content,
@@ -226,7 +215,7 @@ func (p *Posts) Query(ctx context.Context, req *pb.QueryRequest, rsp *pb.QueryRe
return nil
}
func (p *Posts) Delete(ctx context.Context, req *pb.DeleteRequest, rsp *pb.DeleteResponse) error {
func (p *Posts) Delete(ctx context.Context, req *proto.DeleteRequest, rsp *proto.DeleteResponse) error {
logger.Info("Received Post.Delete request")
return p.db.Delete(model.Equals("id", req.Id))
}