dwd
/
sp_comments_api
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

first commit

main
suvodip ghosh 2025-06-24 13:42:46 +00:00
commit ca51164598
5 changed files with 603 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

0
README.md Normal file
View File

5
go.mod Normal file
View File

@ -0,0 +1,5 @@
module sp_comments_api
go 1.13
require github.com/go-sql-driver/mysql v1.5.0

42
go.sum Normal file
View File

@ -0,0 +1,42 @@
filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
github.com/go-sql-driver/mysql v1.4.0 h1:7LxgVwFb2hIQtMm87NdgAVfXjnt4OePseqT1tKx+opk=
github.com/go-sql-driver/mysql v1.4.0/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
github.com/go-sql-driver/mysql v1.5.0 h1:ozyZYNQW3x3HtqT1jira07DN2PArx2v7/mN66gGcHOs=
github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
github.com/go-sql-driver/mysql v1.9.3 h1:U/N249h2WzJ3Ukj8SowVFjdtZKfu9vlLZxjPXV1aweo=
github.com/go-sql-driver/mysql v1.9.3/go.mod h1:qn46aNg1333BRMNU69Lq93t8du/dwxI64Gl8i5p1WMU=
github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/appengine v1.6.8 h1:IhEN5q69dyKagZPYMSdIjS2HqprW324FRQZJcGqPAsM=
google.golang.org/appengine v1.6.8/go.mod h1:1jJ3jBArFh5pcgW8gCtRJnepW8FzD1V44FJffLiz/Ds=
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=

555
main.go Normal file
View File

@ -0,0 +1,555 @@
package main
import (
"database/sql"
"encoding/json"
"fmt"
"log"
"math/rand"
"net/http"
"strings"
"sync"
"time"
_ "github.com/go-sql-driver/mysql"
)
type Comment struct {
ID int `json:"id,omitempty"`
CommentID string `json:"comment_id"`
TopicID string `json:"topic_id"`
SiliconID string `json:"silicon_id"`
PbID string `json:"pb_id"`
UserID string `json:"user_id"`
UserName string `json:"user_name"`
CommentText string `json:"comment_text"`
IsApproved bool `json:"is_approved"`
ParentCommentID sql.NullString `json:"parent_comment_id,omitempty"`
CreatedAt time.Time `json:"created_at,omitempty"`
UpdatedAt time.Time `json:"updated_at,omitempty"`
Replies []Comment `json:"replies,omitempty"`
}
var (
db *sql.DB
idCounter uint64
mutex sync.Mutex
)
const (
idPrefix = "CMT"
idLength = 10
baseChars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
)
func main() {
// Database configuration
dbUser := "sp"
dbPass := "0000"
dbHost := "65.108.85.191"
dbPort := "3306"
dbName := "sp_hostapi"
dsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?parseTime=true", dbUser, dbPass, dbHost, dbPort, dbName)
var err error
db, err = sql.Open("mysql", dsn)
if err != nil {
log.Fatal(err)
}
defer db.Close()
db.SetMaxOpenConns(25)
db.SetMaxIdleConns(25)
db.SetConnMaxLifetime(5 * time.Minute)
if err = db.Ping(); err != nil {
log.Fatal(err)
}
if err = initIDCounter(); err != nil {
log.Fatal(err)
}
// Set up HTTP server with CORS middleware
mux := http.NewServeMux()
mux.HandleFunc("/comments", corsMiddleware(handleComments))
mux.HandleFunc("/comments/reply", corsMiddleware(handleReply))
mux.HandleFunc("/comments/thread/", corsMiddleware(handleCommentThread))
mux.HandleFunc("/comments/approve", corsMiddleware(handleCommentApproval))
mux.HandleFunc("/health", corsMiddleware(healthCheck))
mux.HandleFunc("/comments/", corsMiddleware(handleSingleComment))
log.Println("Server started on :8080")
log.Fatal(http.ListenAndServe(":8080", mux))
}
func corsMiddleware(next http.HandlerFunc) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Access-Control-Allow-Origin", "*")
w.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
w.Header().Set("Access-Control-Allow-Headers", "Content-Type, Authorization")
if r.Method == "OPTIONS" {
w.WriteHeader(http.StatusNoContent)
return
}
next(w, r)
}
}
func healthCheck(w http.ResponseWriter, r *http.Request) {
if err := db.Ping(); err != nil {
http.Error(w, "DB connection error", http.StatusServiceUnavailable)
return
}
w.WriteHeader(http.StatusOK)
w.Write([]byte("OK"))
}
func handleComments(w http.ResponseWriter, r *http.Request) {
switch r.Method {
case "POST":
insertComment(w, r, "")
case "GET":
getComments(w, r)
default:
http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
}
}
func handleReply(w http.ResponseWriter, r *http.Request) {
if r.Method != "POST" {
http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
return
}
var req struct {
ParentCommentID string `json:"parent_comment_id"`
TopicID string `json:"topic_id"`
SiliconID string `json:"silicon_id"`
PbID string `json:"pb_id"`
UserID string `json:"user_id"`
UserName string `json:"user_name"`
CommentText string `json:"comment_text"`
IsApproved bool `json:"is_approved"`
}
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
http.Error(w, "Invalid request payload", http.StatusBadRequest)
return
}
// Create comment with proper NullString handling
comment := Comment{
TopicID: req.TopicID,
SiliconID: req.SiliconID,
PbID: req.PbID,
UserID: req.UserID,
UserName: req.UserName,
CommentText: req.CommentText,
IsApproved: req.IsApproved,
ParentCommentID: sql.NullString{
String: req.ParentCommentID,
Valid: req.ParentCommentID != "",
},
}
// Convert to JSON and pass to insertComment
jsonData, err := json.Marshal(comment)
if err != nil {
http.Error(w, "Error creating request", http.StatusInternalServerError)
return
}
// Create a new request with the properly formatted JSON
newReq, err := http.NewRequest("POST", "", strings.NewReader(string(jsonData)))
if err != nil {
http.Error(w, "Error creating request", http.StatusInternalServerError)
return
}
// Call insertComment with the parent ID
insertComment(w, newReq, req.ParentCommentID)
}
func insertComment(w http.ResponseWriter, r *http.Request, parentCommentID string) {
var comment Comment
if err := json.NewDecoder(r.Body).Decode(&comment); err != nil {
http.Error(w, "Invalid request payload: "+err.Error(), http.StatusBadRequest)
return
}
// Validate required fields
if comment.TopicID == "" || comment.SiliconID == "" || comment.PbID == "" ||
comment.UserID == "" || comment.UserName == "" || comment.CommentText == "" {
http.Error(w, "All fields except is_approved are required", http.StatusBadRequest)
return
}
// Generate unique ID
comment.CommentID = generateUniqueID()
comment.CreatedAt = time.Now()
comment.UpdatedAt = time.Now()
// Handle parent comment reference
if parentCommentID != "" {
comment.ParentCommentID = sql.NullString{
String: parentCommentID,
Valid: true,
}
// Verify parent exists
var exists bool
err := db.QueryRow("SELECT EXISTS(SELECT 1 FROM commentsdb WHERE comment_id = ?)", parentCommentID).Scan(&exists)
if err != nil || !exists {
http.Error(w, "Parent comment not found", http.StatusBadRequest)
return
}
} else {
comment.ParentCommentID = sql.NullString{Valid: false}
}
// Insert the comment
_, err := db.Exec(
`INSERT INTO commentsdb
(comment_id, topic_id, silicon_id, pb_id, user_id, user_name,
comment_text, is_approved, parent_comment_id, created_at, updated_at)
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`,
comment.CommentID,
comment.TopicID,
comment.SiliconID,
comment.PbID,
comment.UserID,
comment.UserName,
comment.CommentText,
comment.IsApproved,
comment.ParentCommentID,
comment.CreatedAt,
comment.UpdatedAt,
)
if err != nil {
http.Error(w, "Failed to insert comment: "+err.Error(), http.StatusInternalServerError)
return
}
// Return the complete comment
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(comment)
}
func getComments(w http.ResponseWriter, r *http.Request) {
query := r.URL.Query()
topicID := query.Get("topic_id")
// siliconID := query.Get("silicon_id")
// pbID := query.Get("pb_id")
if topicID == "" {
http.Error(w, "topic_id is required", http.StatusBadRequest)
return
}
baseQuery := `SELECT id, comment_id, topic_id, silicon_id, pb_id, user_id, user_name,
comment_text, is_approved, parent_comment_id, created_at, updated_at
FROM commentsdb WHERE topic_id = ? AND is_approved = 1`
args := []interface{}{topicID}
// Add optional filters if provided and not "null"
// if siliconID != "" && siliconID != "null" {
// baseQuery += " AND silicon_id = ?"
// args = append(args, siliconID)
// }
// if pbID != "" && pbID != "null" {
// baseQuery += " AND pb_id = ?"
// args = append(args, pbID)
// }
baseQuery += " ORDER BY created_at DESC"
log.Printf("Executing query: %s\nParameters: %v\n", baseQuery, args)
rows, err := db.Query(baseQuery, args...)
if err != nil {
http.Error(w, "Database query failed: "+err.Error(), http.StatusInternalServerError)
return
}
defer rows.Close()
var comments []Comment
for rows.Next() {
var comment Comment
var parentID sql.NullString
err := rows.Scan(
&comment.ID,
&comment.CommentID,
&comment.TopicID,
&comment.SiliconID,
&comment.PbID,
&comment.UserID,
&comment.UserName,
&comment.CommentText,
&comment.IsApproved,
&parentID,
&comment.CreatedAt,
&comment.UpdatedAt,
)
if err != nil {
http.Error(w, "Failed to scan comment: "+err.Error(), http.StatusInternalServerError)
return
}
comment.ParentCommentID = parentID
comments = append(comments, comment)
}
if comments == nil {
comments = []Comment{}
}
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(comments)
}
func handleCommentThread(w http.ResponseWriter, r *http.Request) {
if r.Method != "GET" {
http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
return
}
pathParts := strings.Split(r.URL.Path, "/")
if len(pathParts) < 4 {
http.Error(w, "Invalid comment ID", http.StatusBadRequest)
return
}
commentID := pathParts[3]
var parentComment Comment
var parentID sql.NullString
err := db.QueryRow(
`SELECT id, comment_id, topic_id, silicon_id, pb_id, user_id, user_name,
comment_text, is_approved, parent_comment_id, created_at, updated_at
FROM commentsdb WHERE comment_id = ?`,
commentID,
).Scan(
&parentComment.ID,
&parentComment.CommentID,
&parentComment.TopicID,
&parentComment.SiliconID,
&parentComment.PbID,
&parentComment.UserID,
&parentComment.UserName,
&parentComment.CommentText,
&parentComment.IsApproved,
&parentID,
&parentComment.CreatedAt,
&parentComment.UpdatedAt,
)
if err != nil {
if err == sql.ErrNoRows {
http.Error(w, "Parent comment not found", http.StatusNotFound)
} else {
http.Error(w, "Database error", http.StatusInternalServerError)
}
return
}
parentComment.ParentCommentID = parentID
replies, err := getRepliesRecursive(commentID)
if err != nil {
http.Error(w, "Error fetching replies", http.StatusInternalServerError)
return
}
parentComment.Replies = replies
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(parentComment)
}
func getRepliesRecursive(parentID string) ([]Comment, error) {
rows, err := db.Query(
`SELECT id, comment_id, topic_id, silicon_id, pb_id, user_id, user_name,
comment_text, is_approved, parent_comment_id, created_at, updated_at
FROM commentsdb WHERE parent_comment_id = ? ORDER BY created_at ASC`,
parentID,
)
if err != nil {
return nil, fmt.Errorf("query failed: %v", err)
}
defer rows.Close()
var replies []Comment
for rows.Next() {
var reply Comment
var parentID sql.NullString
err := rows.Scan(
&reply.ID,
&reply.CommentID,
&reply.TopicID,
&reply.SiliconID,
&reply.PbID,
&reply.UserID,
&reply.UserName,
&reply.CommentText,
&reply.IsApproved,
&parentID,
&reply.CreatedAt,
&reply.UpdatedAt,
)
if err != nil {
return nil, fmt.Errorf("scan failed: %v", err)
}
reply.ParentCommentID = parentID
nestedReplies, err := getRepliesRecursive(reply.CommentID)
if err != nil {
return nil, fmt.Errorf("recursive query failed: %v", err)
}
reply.Replies = nestedReplies
replies = append(replies, reply)
}
return replies, nil
}
func handleCommentApproval(w http.ResponseWriter, r *http.Request) {
if r.Method != "PUT" {
http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
return
}
var req struct {
CommentID string `json:"comment_id"`
IsApproved bool `json:"is_approved"`
}
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
http.Error(w, "Invalid request payload", http.StatusBadRequest)
return
}
_, err := db.Exec(
"UPDATE commentsdb SET is_approved = ? WHERE comment_id = ?",
req.IsApproved,
req.CommentID,
)
if err != nil {
http.Error(w, "Failed to update comment", http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(map[string]string{"status": "success"})
}
func handleSingleComment(w http.ResponseWriter, r *http.Request) {
if r.Method != "GET" {
http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
return
}
pathParts := strings.Split(r.URL.Path, "/")
if len(pathParts) < 3 {
http.Error(w, "Invalid comment ID", http.StatusBadRequest)
return
}
commentID := pathParts[2]
var comment Comment
var parentID sql.NullString
err := db.QueryRow(
`SELECT id, comment_id, topic_id, silicon_id, pb_id, user_id, user_name,
comment_text, is_approved, parent_comment_id, created_at, updated_at
FROM commentsdb WHERE comment_id = ?`,
commentID,
).Scan(
&comment.ID,
&comment.CommentID,
&comment.TopicID,
&comment.SiliconID,
&comment.PbID,
&comment.UserID,
&comment.UserName,
&comment.CommentText,
&comment.IsApproved,
&parentID,
&comment.CreatedAt,
&comment.UpdatedAt,
)
if err != nil {
if err == sql.ErrNoRows {
http.Error(w, "Comment not found", http.StatusNotFound)
} else {
http.Error(w, "Database error", http.StatusInternalServerError)
}
return
}
comment.ParentCommentID = parentID
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(comment)
}
func generateUniqueID() string {
mutex.Lock()
defer mutex.Unlock()
idCounter++
var id strings.Builder
id.WriteString(idPrefix)
n := idCounter
for i := 0; i < idLength-len(idPrefix)-2; i++ {
id.WriteByte(baseChars[n%36])
n /= 36
}
rand.Seed(time.Now().UnixNano())
for i := 0; i < 2; i++ {
id.WriteByte(baseChars[rand.Intn(36)])
}
return id.String()
}
func initIDCounter() error {
var maxID sql.NullString
err := db.QueryRow("SELECT MAX(comment_id) FROM commentsdb").Scan(&maxID)
if err != nil {
return fmt.Errorf("error getting max ID: %v", err)
}
if !maxID.Valid {
idCounter = 0
return nil
}
if !strings.HasPrefix(maxID.String, idPrefix) {
return fmt.Errorf("invalid ID format in database")
}
trimmed := strings.TrimPrefix(maxID.String, idPrefix)
if len(trimmed) < 2 {
return fmt.Errorf("ID too short")
}
counterPart := trimmed[:len(trimmed)-2]
var counter uint64
for _, c := range counterPart {
idx := strings.IndexByte(baseChars, byte(c))
if idx == -1 {
return fmt.Errorf("invalid character in ID")
}
counter = counter*36 + uint64(idx)
}
idCounter = counter
return nil
}

1
test.json Normal file
View File

@ -0,0 +1 @@
{"parent_comment_id":"CMT30003JJ","comment_text":"Test"}