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add vote infra and ui prep for connection ui to backend

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This commit is contained in:
Mason Payne
2024-12-01 23:43:52 -07:00
parent a1a112ed11
commit 091e55fc2f
11 changed files with 197 additions and 31 deletions
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91
backend/datastore/mapper.go
View File

@ -2,16 +2,20 @@ package datastore
import (
"database/sql"
"errors"
"fmt"
"git.sa.vin/any-remark/backend/types"
"math/rand"
"strings"
)
type Mapper interface {
GetOpenGraphData(url string) (string, error)
SaveOpenGraphData(url, opengraph string) error
AddComment(req types.AddCommentRequest) error
GetComments(url string) ([]types.Comment, error)
GetComments(url string, orderBy string) ([]types.Comment, error)
AddVote(commentID, userID, voteType string) error
GetWebpageIDFromCommentID(commentID string) (string, error)
}
type mapper struct {
@ -103,21 +107,31 @@ func (m *mapper) AddComment(req types.AddCommentRequest) error {
return nil
}
func (m *mapper) GetComments(url string) ([]types.Comment, error) {
func (m *mapper) GetComments(url string, orderBy string) ([]types.Comment, error) {
webpageID, err := m.GetWebpageID(url)
if err != nil {
return nil, fmt.Errorf("error getting webpage id: %s", err)
}
// TODO: add up vote and down vote counts
// TODO: attach avatar url to commenter
// TODO: provide order by recent or most upvoted
// TODO: bubble up the current user's comments
// get the comments from the db table named "comments" using the webpage_id
query := `SELECT id, content, commenter FROM comments WHERE webpage_id = ?`
query := `SELECT c.id, c.content, c.commenter, u.username, u.avatar, c.created_at,
COUNT(CASE WHEN v.vote_type = 'up' THEN 1 END) AS upvotes,
COUNT(CASE WHEN v.vote_type = 'down' THEN 1 END) AS downvotes
FROM comments c
JOIN users u ON c.commenter = u.id
LEFT JOIN votes v ON c.id = v.comment_id
WHERE c.webpage_id = ?
GROUP BY c.id, c.content, c.commenter, u.username, u.avatar`
if orderBy == "upvotes" {
query += " ORDER BY upvotes DESC"
} else {
query += " ORDER BY c.created_at DESC"
}
rows, err := m.db.Query(query, webpageID)
if err != nil {
if err == sql.ErrNoRows {
if errors.Is(err, sql.ErrNoRows) {
return nil, fmt.Errorf("no data found in db for url: %s", url)
}
return nil, fmt.Errorf("error getting comments from db: %s", err)
@ -128,7 +142,7 @@ func (m *mapper) GetComments(url string) ([]types.Comment, error) {
var comments []types.Comment
for rows.Next() {
var comment types.Comment
err = rows.Scan(&comment.ID, &comment.Content, &comment.Commenter)
err = rows.Scan(&comment.ID, &comment.Content, &comment.Commenter, &comment.Username, &comment.Avatar, &comment.CreatedAt, &comment.Upvotes, &comment.Downvotes)
if err != nil {
return nil, fmt.Errorf("error scanning comments: %s", err)
}
@ -137,6 +151,69 @@ func (m *mapper) GetComments(url string) ([]types.Comment, error) {
return comments, nil
}
func (m *mapper) AddVote(commentID, userID, voteType string) error {
voteType = strings.ToLower(voteType)
if voteType != "up" && voteType != "down" {
return fmt.Errorf("invalid vote type: %s", voteType)
}
id := "v_" + generateID(24)
var err error
webpageID := ""
if strings.HasPrefix(commentID, "wp_") {
webpageID = commentID
commentID = ""
}
if webpageID == "" {
webpageID, err = m.GetWebpageIDFromCommentID(commentID)
if err != nil {
return fmt.Errorf("error getting webpage id from comment id: %s", err)
}
}
// insert the vote data to the db table named "votes" using the comment_id
query := `INSERT INTO votes (id, webpage_id, comment_id, voter, vote_type) VALUES (?, ?, ?, ?, ?)`
_, err = m.db.Exec(query, id, webpageID, commentID, userID, voteType)
if err != nil {
// if the vote already exists, update the vote
if !strings.Contains(err.Error(), "UNIQUE constraint") {
return fmt.Errorf("error inserting vote data to db: %s", err)
}
query = `UPDATE votes SET vote_type = ? WHERE voter = ? AND comment_id = ? AND webpage_id = ?`
_, err = m.db.Exec(query, voteType, userID, commentID, webpageID)
if err != nil {
return fmt.Errorf("error updating vote data in db: %s", err)
}
}
return nil
}
func (m *mapper) GetWebpageIDFromCommentID(commentID string) (string, error) {
// get the id of the webpage from the db table named "comments" using the comment_id
query := `SELECT webpage_id FROM comments WHERE id = ?`
rows, err := m.db.Query(query, commentID)
if err != nil {
if err == sql.ErrNoRows {
return "", fmt.Errorf("no data found in db for comment_id: %s", commentID)
}
return "", fmt.Errorf("error getting webpage id from db: %s", err)
}
defer rows.Close()
// get the id from the rows array
var webpageID string
for rows.Next() {
err = rows.Scan(&webpageID)
if err != nil {
return "", fmt.Errorf("error scanning webpage id: %s", err)
}
return webpageID, nil
}
return "", fmt.Errorf("no data found in db for comment_id: %s", commentID)
}
func generateID(n int) string {
// generate a unique id for the webpage make it 24 bytes
// long using the following character set

1
backend/main.go
View File

@ -57,6 +57,7 @@ func main() {
r.HandleFunc("/api/v1/shorten", s.ShortenLinkHandler).Methods("POST")
r.HandleFunc("/api/v1/comments", s.ListComments).Methods("GET")
r.HandleFunc("/api/v1/comment", s.AddComment).Methods("POST")
r.HandleFunc("/api/v1/vote", s.AddVote).Methods("POST")
r.HandleFunc("/x/{id}", s.ShortLinkHandler).Methods("GET")
c := cors.New(cors.Options{

3
backend/migrations/0001-init.sql
View File

@ -26,7 +26,8 @@ CREATE TABLE votes (
comment_id TEXT, -- NULL if vote is on webpage
voter TEXT NOT NULL,
vote_type TEXT NOT NULL,
created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
UNIQUE (voter, comment_id, webpage_id) -- ensure a user can only vote once per comment or webpage
);
-- make a table for storing users

19
backend/server/server.go
View File

@ -15,6 +15,7 @@ type Server interface {
ShortenLinkHandler(w http.ResponseWriter, r *http.Request)
AddComment(w http.ResponseWriter, r *http.Request)
ListComments(w http.ResponseWriter, r *http.Request)
AddVote(w http.ResponseWriter, r *http.Request)
}
type server struct {
@ -109,7 +110,11 @@ func (s *server) AddComment(w http.ResponseWriter, r *http.Request) {
}
func (s *server) ListComments(w http.ResponseWriter, r *http.Request) {
comments, err := s.mapper.GetComments(r.URL.Query().Get("url"))
orderBy := "created_at" // can be "upvotes" or "created_at"
if r.URL.Query().Get("order_by") != "" {
orderBy = r.URL.Query().Get("order_by")
}
comments, err := s.mapper.GetComments(r.URL.Query().Get("url"), orderBy)
if err != nil {
http.Error(w, fmt.Sprintf("error getting comments: %s", err), http.StatusInternalServerError)
return
@ -126,6 +131,18 @@ func (s *server) ListComments(w http.ResponseWriter, r *http.Request) {
}
}
func (s *server) AddVote(w http.ResponseWriter, r *http.Request) {
// TODO: get userID from the authentication token
userID := "u_12345"
err := s.mapper.AddVote(r.URL.Query().Get("id"), userID, r.URL.Query().Get("vote"))
if err != nil {
http.Error(w, fmt.Sprintf("error adding vote: %s", err), http.StatusInternalServerError)
return
}
}
// CorsMiddleware is a middleware that allows CORS
func CorsMiddleware(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {

4
backend/types/types.go
View File

@ -10,6 +10,10 @@ type Comment struct {
ID string `json:"id"`
Content string `json:"content"`
Commenter string `json:"commenter"`
Username string `json:"username"`
Avatar string `json:"avatar"`
Upvotes int `json:"upvotes"`
Downvotes int `json:"downvotes"`
ParentID string `json:"parent_id"`
WebpageID string `json:"webpage_id"`
CreatedAt string `json:"created_at"`

12
ui/package-lock.json generated
View File

@ -12,6 +12,7 @@
"@capacitor/cli": "^6.2.0",
"@capacitor/core": "^6.2.0",
"@capacitor/ios": "^6.2.0",
"@iconify-prerendered/vue-material-symbols": "^0.28.1732258297",
"pinia": "^2.2.6",
"vue": "^3.5.12",
"vue-router": "^4.4.5"
@ -1160,6 +1161,17 @@
"url": "https://github.com/sponsors/nzakas"
}
},
"node_modules/@iconify-prerendered/vue-material-symbols": {
"version": "0.28.1732258297",
"resolved": "https://registry.npmjs.org/@iconify-prerendered/vue-material-symbols/-/vue-material-symbols-0.28.1732258297.tgz",
"integrity": "sha512-PFe4eKDuxbXwNfJk0DLWoWkI/CxDMQ1tFh2O5EmYuFVCZeG4janePeShlsPAxyW9+hhthptsaEJLwIGrvTA5Rw==",
"funding": {
"url": "https://www.buymeacoffee.com/kozack/"
},
"peerDependencies": {
"vue": "^3.0.0"
}
},
"node_modules/@ionic/cli-framework-output": {
"version": "2.2.8",
"resolved": "https://registry.npmjs.org/@ionic/cli-framework-output/-/cli-framework-output-2.2.8.tgz",

1
ui/package.json
View File

@ -19,6 +19,7 @@
"@capacitor/cli": "^6.2.0",
"@capacitor/core": "^6.2.0",
"@capacitor/ios": "^6.2.0",
"@iconify-prerendered/vue-material-symbols": "^0.28.1732258297",
"pinia": "^2.2.6",
"vue": "^3.5.12",
"vue-router": "^4.4.5"

8
ui/src/assets/main.css
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@ -7,8 +7,12 @@
font-weight: normal;
}
a,
.green {
h4 {
font-size: 0.8rem;
font-weight: bold;
}
a, .green {
text-decoration: none;
color: hsla(160, 100%, 37%, 1);
transition: 0.4s;

60
ui/src/components/CommentComponent.vue
View File

@ -1,25 +1,53 @@
<script setup lang="ts">
import {
IconThumbUp,
IconThumbDown,
IconChatOutline,
IconReply,
} from '@iconify-prerendered/vue-material-symbols';
import type { Remark } from '@/types/Remark'
import type { PropType } from 'vue'
const props = defineProps({
content: {
type: String,
required: true,
},
avatar: {
type: String,
remark: {
type: Object as PropType<Remark>,
required: true,
},
});
function like() {
console.log('Like');
}
function dislike() {
console.log('Dislike');
}
function reply() {
console.log('Reply');
}
function showReplies() {
console.log('Show Replies');
}
</script>
<template>
<div class="comment">
<img :src="props.avatar" alt="User Avatar" class="avatar"/>
<img :src="props.remark.avatar" alt="User Avatar" class="avatar"/>
<!-- <img src="https://cdn.vuetifyjs.com/images/lists/1.jpg" alt="User Avatar" class="avatar"/>-->
<div class="comment-content">
<p>{{props.content}}</p>
<h4>{{props.remark.username}}</h4>
<p>{{props.remark.content}}</p>
<div class="comment-actions">
<button @click="like" title="like"><IconThumbUp />&nbsp;{{props.remark.upvotes}}</button>
<button @click="dislike" title="dislike"><IconThumbDown />&nbsp;{{props.remark.downvotes}}</button>
<button @click="reply" title="reply"><IconReply /></button>
<button @click="showReplies" title="Show replies"><IconChatOutline /></button>
</div>
</div>
</div>
</template>
<style scoped>
@ -41,5 +69,21 @@ const props = defineProps({
padding: 10px 15px;
border-radius: 8px;
flex-grow: 1;
display: flex;
flex-direction: column;
}
.comment-actions {
display: flex;
justify-content: flex-start;
}
/* remove default button styles */
.comment-actions button {
background: none;
border: none;
cursor: pointer;
display: flex;
align-items: center;
}
</style>

12
ui/src/types/Remark.ts Normal file
View File

@ -0,0 +1,12 @@
export interface Remark {
id: string;
content: string;
commenter: string;
username: string;
avatar: string;
upvotes: number;
downvotes: number;
parent_id: string;
webpage_id: string;
created_at: string;
}

17
ui/src/views/RemarkView.vue
View File

@ -3,22 +3,14 @@
import CommentComponent from '@/components/CommentComponent.vue'
import OpenGraphComponent from '@/components/OpenGraphComponent.vue'
import { onMounted, ref, watch } from 'vue'
import type { Remark } from '@/types/Remark'
const BACKEND_URL = 'http://localhost:8080';
interface Comment {
id: string;
content: string;
commenter: string;
parent_id: string;
webpage_id: string;
created_at: string;
}
// const url = ref('https://www.youtube.com/watch?v=iedMwhLrFQQ');
// const url = ref('https://vimeo.com/867950660');
const url = ref('');
const comment = ref('');
const comments = ref<Comment[]>([]);
const comments = ref<Remark[]>([]);
onMounted(() => {
// get target url from query param 'url'
@ -41,8 +33,9 @@ function getComments() {
.then((data) => {
if (!!data) {
comments.value = data;
} else {
comments.value = [];
}
console.log(data);
});
}
@ -88,7 +81,7 @@ function handleSubmit(e: Event) {
</form>
<div v-for="(remark, i) in comments" :key="i">
<CommentComponent :content="remark.content" :avatar="`https://cdn.vuetifyjs.com/images/lists/1.jpg`" />
<CommentComponent :remark="remark" />
</div>
<div v-if="comments.length === 0">