Merge branch 'comments'

Comment/comment.go

@@ -0,0 +1,83 @@
+package Comment
+
+import (
+	guuid "github.com/google/uuid"
+	"github.com/nspcc-dev/neo-go/pkg/interop/native/std"
+	"github.com/nspcc-dev/neo-go/pkg/interop/storage"
+)
+
+type Comment struct {
+	id       string
+	authorId string
+	postId   string
+	text     string
+	likes    int
+	dislikes int
+}
+
+func CreateNewComment(authorId string, postId string, text string) {
+	ctx := storage.GetContext()
+	newComment := Comment{
+		id:       guuid.New().String(),
+		authorId: authorId,
+		postId:   postId,
+		text:     text,
+		likes:    0,
+		dislikes: 0,
+	}
+
+	comments := GetByPostId(postId)
+	comments = append(comments, newComment)
+	storage.Put(ctx, postId+"_comment", std.Serialize(comments))
+}
+
+func GetByPostId(postId string) []Comment {
+	ctx := storage.GetContext()
+	return std.Deserialize(storage.Get(ctx, postId+"_comment").([]byte)).([]Comment)
+}
+
+func GetByAuthorId(postId string, authorId string) []Comment {
+	comments := GetByPostId(postId)
+	var commentsByAuthor []Comment
+	for _, comment := range comments {
+		if comment.authorId == authorId {
+			commentsByAuthor = append(commentsByAuthor, comment)
+		}
+	}
+
+	return commentsByAuthor
+}
+
+func GetComment(commentId string, postId string) Comment {
+	comments := GetByPostId(postId)
+	for _, comment := range comments {
+		if comment.id == commentId {
+			return comment
+		}
+	}
+
+	panic("Коммента с таким айдишником нету")
+}
+
+func RateComment(isLike bool, postId string, commentId string) {
+	comment := GetComment(commentId, postId)
+	if isLike {
+		comment.likes++
+	} else {
+		comment.dislikes++
+	}
+
+	UpdateComment(comment, postId)
+}
+
+func UpdateComment(comment Comment, postId string) {
+	ctx := storage.GetContext()
+	comments := GetByPostId(postId)
+	for i := 0; i < len(comments); i++ {
+		if comments[i].id == comment.id {
+			comments[i] = comment
+		}
+	}
+
+	storage.Put(ctx, postId+"_comment", std.Serialize(comments))
+}

Comment/comment.json

@@ -0,0 +1 @@
+{"name":"comment","abi":{"methods":[{"name":"createNewComment","offset":0,"parameters":[{"name":"authorId","type":"String"},{"name":"postId","type":"String"},{"name":"text","type":"String"}],"returntype":"Void","safe":false},{"name":"getByAuthorId","offset":109,"parameters":[{"name":"postId","type":"String"},{"name":"authorId","type":"String"}],"returntype":"Array","safe":false},{"name":"getByPostId","offset":61,"parameters":[{"name":"postId","type":"String"}],"returntype":"Array","safe":false},{"name":"getComment","offset":157,"parameters":[{"name":"commentId","type":"String"},{"name":"postId","type":"String"}],"returntype":"Array","safe":false},{"name":"rateComment","offset":259,"parameters":[{"name":"isLike","type":"Boolean"},{"name":"postId","type":"String"},{"name":"commentId","type":"String"}],"returntype":"Void","safe":false}],"events":[{"name":"Hello world!","parameters":[{"name":"args","type":"Array"}]}]},"features":{},"groups":[],"permissions":[{"contract":"*","methods":"*"}],"supportedstandards":[],"trusts":[],"extra":null}

Comment/comment.yml

@@ -0,0 +1,11 @@
+name: comment
+sourceurl: http://example.com/
+safemethods: []
+supportedstandards: []
+events:
+    - name: Hello world!
+      parameters:
+        - name: args
+          type: Array
+permissions:
+    - methods: '*'

Comment/comment_contract.go

@@ -1,8 +0,0 @@
-package Comments
-
-type Comments struct {
-	authorId string
-	text     string
-	likes    int
-	dislikes int
-}