106 lines
2.6 KiB
Go
106 lines
2.6 KiB
Go
package Comment
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import (
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"github.com/nspcc-dev/neo-go/pkg/interop/native/oracle"
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"github.com/nspcc-dev/neo-go/pkg/interop/native/std"
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"github.com/nspcc-dev/neo-go/pkg/interop/runtime"
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"github.com/nspcc-dev/neo-go/pkg/interop/storage"
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)
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type Comment struct {
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id string
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authorId string
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postId string
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text string
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likes int
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dislikes int
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}
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func CreateNewComment(authorId string, postId string, text string) {
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ctx := storage.GetContext()
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newComment := Comment{
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id: "none",
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authorId: authorId,
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postId: postId,
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text: text,
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likes: 0,
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dislikes: 0,
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}
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storeURL := "https://www.uuidgenerator.net/api/version7"
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oracle.Request(storeURL, nil, "cbGetUUID", nil, oracle.MinimumResponseGas)
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newComment.id = storage.Get(ctx, "lastCommentId").(string)
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comments := GetByPostId(postId)
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comments = append(comments, newComment)
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storage.Put(ctx, postId+"_comment", std.Serialize(comments))
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}
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func cbGetUUID(url string, commentData any, code int, result []byte) {
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callingHash := runtime.GetCallingScriptHash()
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if !callingHash.Equals(oracle.Hash) {
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panic("not called from the oracle contract")
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}
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if code != oracle.Success {
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panic("request failed for " + url + " with code " + std.Itoa(code, 10))
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}
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runtime.Log("result for " + url + " is: " + string(result))
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runtime.Log("Last Comment id is: " + string(result))
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ctx := storage.GetContext()
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storage.Put(ctx, "lastCommentId", string(result))
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}
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func GetByPostId(postId string) []Comment {
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ctx := storage.GetContext()
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return std.Deserialize(storage.Get(ctx, postId+"_comment").([]byte)).([]Comment)
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}
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func GetByAuthorId(postId string, authorId string) []Comment {
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comments := GetByPostId(postId)
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var commentsByAuthor []Comment
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for _, comment := range comments {
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if comment.authorId == authorId {
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commentsByAuthor = append(commentsByAuthor, comment)
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}
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}
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return commentsByAuthor
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}
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func GetComment(commentId string, postId string) Comment {
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comments := GetByPostId(postId)
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for _, comment := range comments {
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if comment.id == commentId {
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return comment
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}
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}
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panic("Коммента с таким айдишником нету")
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}
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func RateComment(isLike bool, postId string, commentId string) {
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comment := GetComment(commentId, postId)
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if isLike {
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comment.likes++
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} else {
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comment.dislikes++
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}
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UpdateComment(comment, postId)
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}
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func UpdateComment(comment Comment, postId string) {
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ctx := storage.GetContext()
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comments := GetByPostId(postId)
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for i := 0; i < len(comments); i++ {
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if comments[i].id == comment.id {
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comments[i] = comment
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}
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}
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storage.Put(ctx, postId+"_comment", std.Serialize(comments))
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}
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