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package main
import (
"database/sql"
"net/http"
"time"
"fmt"
"flag"
"github.com/gin-gonic/gin"
_ "github.com/mattn/go-sqlite3"
)
type Server struct {
ID int `json:"id"`
ServerName string `json:"server_name"`
CodepubURL string `json:"codepub_url"`
CodepubGitURL string `json:"codepub_git_url"`
CodepubID string `json:"codepub_id"`
Description string `json:"description"`
CreatedAt time.Time `json:"created_at"`
UpdatedAt time.Time `json:"updated_at"`
}
type Response struct {
Code int `json:"code"`
Message string `json:"message"`
Data interface{} `json:"data,omitempty"`
}
var db *sql.DB
func main() {
var err error
db, err = sql.Open("sqlite3", "./server.db")
if err != nil {
panic(err)
}
createTable()
port := flag.Int("port", 8080, "server port")
flag.Parse()
r := gin.Default()
r.GET("/server", getServer)
r.POST("/server", createServer)
r.PUT("/server", updateServer)
r.DELETE("/server", deleteServer)
addr := fmt.Sprintf(":%d", *port)
r.Run(addr)
//r.Run(":8080")
}
func createTable() {
sql := `
CREATE TABLE IF NOT EXISTS servers (
id INTEGER PRIMARY KEY AUTOINCREMENT,
server_name TEXT UNIQUE,
codepub_url TEXT,
codepub_git_url TEXT,
codepub_id TEXT,
description TEXT,
created_at DATETIME,
updated_at DATETIME
);
`
_, err := db.Exec(sql)
if err != nil {
panic(err)
}
}
func getServer(c *gin.Context) {
name := c.Query("name")
all := c.Query("all")
onlyName := c.Query("only_name")
onlyCodepubID := c.Query("only_codepub_id")
onlyCodepubGitURL := c.Query("only_codepub_git_url")
if onlyName == "true" {
rows, err := db.Query("SELECT server_name FROM servers")
if err != nil {
c.JSON(http.StatusInternalServerError, Response{Code: 500, Message: err.Error()})
return
}
defer rows.Close()
var names []string
for rows.Next() {
var serverName sql.NullString
err = rows.Scan(&serverName)
if err != nil {
c.JSON(http.StatusInternalServerError, Response{Code: 500, Message: err.Error()})
return
}
if serverName.Valid {
names = append(names, serverName.String)
}
}
c.JSON(http.StatusOK, Response{Code: 0, Message: "Success", Data: names})
return
}
if all == "true" {
// 之前的查全部逻辑...
rows, err := db.Query("SELECT * FROM servers")
if err != nil {
c.JSON(http.StatusInternalServerError, Response{Code: 500, Message: err.Error()})
return
}
defer rows.Close()
var servers []Server
for rows.Next() {
var s Server
var description sql.NullString
err = rows.Scan(&s.ID, &s.ServerName, &s.CodepubURL, &s.CodepubGitURL, &s.CodepubID, &description, &s.CreatedAt, &s.UpdatedAt)
if err != nil {
c.JSON(http.StatusInternalServerError, Response{Code: 500, Message: err.Error()})
return
}
if description.Valid {
s.Description = description.String
} else {
s.Description = ""
}
servers = append(servers, s)
}
c.JSON(http.StatusOK, Response{Code: 0, Message: "Success", Data: servers})
return
}
if name == "" {
c.JSON(http.StatusBadRequest, Response{Code: 400, Message: "Missing name parameter"})
return
}
if onlyCodepubID == "true" {
row := db.QueryRow("SELECT codepub_id FROM servers WHERE server_name = ?", name)
var codepubID string
err := row.Scan(&codepubID)
if err != nil {
if err == sql.ErrNoRows {
c.JSON(http.StatusNotFound, Response{Code: 404, Message: "Server not found"})
} else {
c.JSON(http.StatusInternalServerError, Response{Code: 500, Message: err.Error()})
}
return
}
data := map[string]string{
"codepub_id": codepubID,
}
c.JSON(http.StatusOK, Response{Code: 0, Message: "Success", Data: data})
return
}
if onlyCodepubGitURL == "true" {
row := db.QueryRow("SELECT codepub_git_url FROM servers WHERE server_name = ?", name)
var codepubGitURL string
err := row.Scan(&codepubGitURL)
if err != nil {
if err == sql.ErrNoRows {
c.JSON(http.StatusNotFound, Response{Code: 404, Message: "Server not found"})
} else {
c.JSON(http.StatusInternalServerError, Response{Code: 500, Message: err.Error()})
}
return
}
data := map[string]string{
"codepub_git_url": codepubGitURL,
}
c.JSON(http.StatusOK, Response{Code: 0, Message: "Success", Data: data})
return
}
row := db.QueryRow("SELECT codepub_git_url, codepub_id, codepub_url FROM servers WHERE server_name = ?", name)
var codepubGitURL, codepubID, codepubURL string
err := row.Scan(&codepubGitURL, &codepubID, &codepubURL)
if err != nil {
if err == sql.ErrNoRows {
c.JSON(http.StatusNotFound, Response{Code: 404, Message: "Server not found"})
} else {
c.JSON(http.StatusInternalServerError, Response{Code: 500, Message: err.Error()})
}
return
}
data := map[string]string{
"codepub_git_url": codepubGitURL,
"codepub_id": codepubID,
"codepub_url": codepubURL,
}
c.JSON(http.StatusOK, Response{Code: 0, Message: "Success", Data: data})
}
func createServer(c *gin.Context) {
var input struct {
Name string `json:"name" binding:"required"`
CodepubGitURL string `json:"codepub_git_url" binding:"required"`
CodepubID string `json:"codepub_id" binding:"required"`
CodepubURL string `json:"codepub_url" binding:"required"`
}
if err := c.ShouldBindJSON(&input); err != nil {
c.JSON(http.StatusBadRequest, Response{Code: 400, Message: err.Error()})
return
}
now := time.Now()
_, err := db.Exec(`INSERT INTO servers (server_name, codepub_git_url, codepub_id, codepub_url, created_at, updated_at)
VALUES (?, ?, ?, ?, ?, ?)`,
input.Name, input.CodepubGitURL, input.CodepubID, input.CodepubURL, now, now)
if err != nil {
c.JSON(http.StatusInternalServerError, Response{Code: 500, Message: err.Error()})
return
}
c.JSON(http.StatusOK, Response{Code: 0, Message: "Create Success"})
}
func updateServer(c *gin.Context) {
var input struct {
Name string `json:"name" binding:"required"`
CodepubGitURL string `json:"codepub_git_url" binding:"required"`
CodepubID string `json:"codepub_id" binding:"required"`
CodepubURL string `json:"codepub_url" binding:"required"`
}
if err := c.ShouldBindJSON(&input); err != nil {
c.JSON(http.StatusBadRequest, Response{Code: 400, Message: err.Error()})
return
}
now := time.Now()
res, err := db.Exec(`UPDATE servers SET codepub_git_url=?, codepub_id=?, codepub_url=?, updated_at=? WHERE server_name=?`,
input.CodepubGitURL, input.CodepubID, input.CodepubURL, now, input.Name)
if err != nil {
c.JSON(http.StatusInternalServerError, Response{Code: 500, Message: err.Error()})
return
}
rowsAffected, _ := res.RowsAffected()
if rowsAffected == 0 {
c.JSON(http.StatusNotFound, Response{Code: 404, Message: "Server not found"})
return
}
c.JSON(http.StatusOK, Response{Code: 0, Message: "Update Success"})
}
func deleteServer(c *gin.Context) {
name := c.Query("name")
if name == "" {
c.JSON(http.StatusBadRequest, Response{Code: 400, Message: "Missing name parameter"})
return
}
res, err := db.Exec("DELETE FROM servers WHERE server_name = ?", name)
if err != nil {
c.JSON(http.StatusInternalServerError, Response{Code: 500, Message: err.Error()})
return
}
rowsAffected, _ := res.RowsAffected()
if rowsAffected == 0 {
c.JSON(http.StatusNotFound, Response{Code: 404, Message: "Server not found"})
return
}
c.JSON(http.StatusOK, Response{Code: 0, Message: "Delete Success"})
}
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