Re-organize codebase
This commit is contained in:
parent
f6c6bf28e7
commit
9259f5adba
GPG Key ID:
C1AA797073F17129
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@ -7,7 +7,6 @@ import (
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"fmt"
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"log"
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"net/http"
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"strconv"
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"github.com/gin-gonic/gin"
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_ "github.com/lib/pq"
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@ -39,176 +38,28 @@ func server() {
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gin.SetMode(gin.ReleaseMode)
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r := gin.Default()
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r.GET("/api/ping", ping)
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//r.GET("/", helloWorld)
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// TODO: Have fun creating new endpoints
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// CRUD for users
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r.GET("/api/user", getUsers)
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r.GET("/api/user/:userid", getUser)
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r.POST("/api/user", createUser)
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r.DELETE("/api/user/:userid", deleteUser)
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r.PUT("/api/user/:userid", modifyUser)
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// TODO: Finish the following:
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// CRUD for quizzes
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// CRUD for quiz questions
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// CRUD for question answers
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// CRUD for quiz attempts
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r.Run(":" + ListenPort)
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}
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func checkUserExists(id string) bool {
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dynStmt := `SELECT id_usuario FROM usuarios WHERE id_usuario = $1`
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err := db.QueryRow(dynStmt, id).Scan()
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if err == sql.ErrNoRows {
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return false
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} else {
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return true
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}
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}
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func modifyUser(c *gin.Context) {
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id := c.Param("userid")
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dynStmt := `UPDATE usuarios SET email=$1,nombre=$2,apellido1=$3,apellido2=$4,password=$5 WHERE id_usuario = $6`
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_, err := strconv.Atoi(id)
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if err != nil {
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e := fmt.Sprintf("Invalid identifier")
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c.IndentedJSON(http.StatusNotFound, setResponse(e, false))
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return
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}
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if exists := checkUserExists(id); exists != true {
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c.IndentedJSON(http.StatusNotFound, setResponse("User not found", false))
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return
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}
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user := user{}
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if err := c.BindJSON(&user); err != nil {
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e := fmt.Sprintf("Something went wrong updating the user: %v", err)
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log.Println(e)
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c.IndentedJSON(http.StatusInternalServerError, setResponse(e, false))
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return
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}
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_, err = db.Exec(dynStmt, user.Email, user.Name, user.Surname1, user.Surname2, hashPW(user.Password), id)
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if err != nil {
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e := fmt.Sprintf("Something went wrong trying to modify the user: %v", err)
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log.Println(e)
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c.IndentedJSON(http.StatusInternalServerError, setResponse(e, false))
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return
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}
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c.IndentedJSON(http.StatusOK, setResponse(user, true))
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}
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func deleteUser(c *gin.Context) {
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id := c.Param("userid")
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dynStmt := `DELETE FROM usuarios WHERE id_usuario = $1`
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_, err := strconv.Atoi(id)
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if err != nil {
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e := fmt.Sprintf("Invalid identifier")
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c.IndentedJSON(http.StatusNotFound, setResponse(e, false))
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return
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}
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if exists := checkUserExists(id); exists != true {
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c.IndentedJSON(http.StatusNotFound, setResponse("User not found", false))
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return
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}
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_, err = db.Exec(dynStmt, id)
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if err != nil {
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e := fmt.Sprintf("Something went wrong trying to delete the user: %v", err)
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log.Println(e)
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c.IndentedJSON(http.StatusInternalServerError, setResponse(e, false))
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return
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}
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e := fmt.Sprintf("User successfully deleted")
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c.IndentedJSON(http.StatusOK, setResponse(e, true))
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}
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func createUser(c *gin.Context) {
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newuser := user{}
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if err := c.BindJSON(&newuser); err != nil {
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e := fmt.Sprintf("Something went wrong creating the user: %v", err)
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log.Println(e)
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c.IndentedJSON(http.StatusInternalServerError, setResponse(e, false))
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return
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}
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var dynStmt string
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if newuser.AccountType != "estudiante" && newuser.AccountType != "profesor" {
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if newuser.AccountType == "admin" {
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e := fmt.Sprintf("Nice try (https://xkcd.com/327/)")
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c.IndentedJSON(http.StatusTeapot, setResponse(e, false))
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return
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}
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e := fmt.Sprintf("Invalid account type\n")
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c.IndentedJSON(http.StatusNotFound, setResponse(e, false))
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return
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}
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dynStmt = `INSERT INTO usuarios(nombre, apellido1, apellido2, email, password, rol) values($1, $2, $3, $4, $5, $6)`
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_, err := db.Exec(dynStmt, newuser.Name, newuser.Surname1, newuser.Surname2, newuser.Email, hashPW(newuser.Password), newuser.AccountType)
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if err != nil {
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e := fmt.Sprintf("Something went wrong trying to create the user: %v", err)
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log.Println(e)
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c.IndentedJSON(http.StatusInternalServerError, setResponse(e, false))
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return
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}
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e := fmt.Sprintf("User %v has been created!", newuser.Name)
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c.IndentedJSON(http.StatusOK, setResponse(e, true))
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}
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func setResponse(content any, success bool) response {
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msg := response{Contents: content, Success: success}
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return msg
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}
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func getUser(c *gin.Context) {
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id := c.Param("userid")
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_, err := strconv.Atoi(id)
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if err != nil {
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e := fmt.Sprintf("Invalid identifier")
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c.IndentedJSON(http.StatusNotFound, setResponse(e, false))
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return
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}
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user := user{}
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dynStmt := `SELECT id_usuario,nombre,apellido1,apellido2,email,rol FROM usuarios WHERE id_usuario = $1`
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err = db.QueryRow(dynStmt, id).Scan(&user.Id, &user.Name, &user.Surname1, &user.Surname2, &user.Email, &user.AccountType)
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if err != nil {
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if err == sql.ErrNoRows {
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c.IndentedJSON(http.StatusNotFound, setResponse("User not found", false))
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return
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}
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e := fmt.Sprintf("SOMETHING BAD HAPPENED QUERYING THE DATABASE: %v", err)
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log.Println(e)
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c.IndentedJSON(http.StatusInternalServerError, setResponse(e, false))
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return
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}
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c.IndentedJSON(http.StatusOK, setResponse(user, true))
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}
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func getUsers(c *gin.Context) {
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users := []user{}
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rows, err := db.Query("SELECT id_usuario,nombre,apellido1,apellido2,email,rol FROM usuarios")
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if err != nil {
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e := fmt.Sprintf("SOMETHING BAD HAPPENED QUERYING THE DATABASE: %v", err)
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log.Println(e)
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c.IndentedJSON(http.StatusInternalServerError, setResponse(e, false))
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return
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}
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defer rows.Close()
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for rows.Next() {
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user := user{}
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err = rows.Scan(&user.Id, &user.Name, &user.Surname1, &user.Surname2, &user.Email, &user.AccountType)
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if err != nil {
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e := fmt.Sprintf("SOMETHING BAD HAPPENED SCANNING THE ROWS: %v", err)
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log.Println(e)
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c.IndentedJSON(http.StatusInternalServerError, setResponse(e, false))
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return
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}
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users = append(users, user)
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}
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c.IndentedJSON(http.StatusOK, setResponse(users, true))
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}
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func ping(c *gin.Context) {
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c.IndentedJSON(http.StatusOK, setResponse("Pong!", true))
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}
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@ -0,0 +1,180 @@
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package cmd
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import (
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"database/sql"
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"fmt"
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"log"
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"net/http"
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"strconv"
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"github.com/gin-gonic/gin"
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)
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// //////////////////////////////////////////////////////////////////////////
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// Placeholder
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// //////////////////////////////////////////////////////////////////////////
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func checkUserExists(id string) bool {
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dynStmt := `SELECT id_usuario FROM usuarios WHERE id_usuario = $1`
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err := db.QueryRow(dynStmt, id).Scan()
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if err == sql.ErrNoRows {
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return false
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} else {
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return true
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}
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}
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// //////////////////////////////////////////////////////////////////////////
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// Placeholder
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// //////////////////////////////////////////////////////////////////////////
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func modifyUser(c *gin.Context) {
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id := c.Param("userid")
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dynStmt := `UPDATE usuarios SET email=$1,nombre=$2,apellido1=$3,apellido2=$4,password=$5 WHERE id_usuario = $6`
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_, err := strconv.Atoi(id)
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if err != nil {
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e := fmt.Sprintf("Invalid identifier")
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c.IndentedJSON(http.StatusNotFound, setResponse(e, false))
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return
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}
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if exists := checkUserExists(id); exists != true {
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c.IndentedJSON(http.StatusNotFound, setResponse("User not found", false))
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return
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}
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user := user{}
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if err := c.BindJSON(&user); err != nil {
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e := fmt.Sprintf("Something went wrong updating the user: %v", err)
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log.Println(e)
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c.IndentedJSON(http.StatusInternalServerError, setResponse(e, false))
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return
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}
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_, err = db.Exec(dynStmt, user.Email, user.Name, user.Surname1, user.Surname2, hashPW(user.Password), id)
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if err != nil {
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e := fmt.Sprintf("Something went wrong trying to modify the user: %v", err)
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log.Println(e)
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c.IndentedJSON(http.StatusInternalServerError, setResponse(e, false))
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return
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}
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c.IndentedJSON(http.StatusOK, setResponse("User successfully modified", true))
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}
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// //////////////////////////////////////////////////////////////////////////
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// Placeholder
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// //////////////////////////////////////////////////////////////////////////
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func deleteUser(c *gin.Context) {
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id := c.Param("userid")
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dynStmt := `DELETE FROM usuarios WHERE id_usuario = $1`
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_, err := strconv.Atoi(id)
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if err != nil {
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e := fmt.Sprintf("Invalid identifier")
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c.IndentedJSON(http.StatusNotFound, setResponse(e, false))
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return
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}
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if exists := checkUserExists(id); exists != true {
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c.IndentedJSON(http.StatusNotFound, setResponse("User not found", false))
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return
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}
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_, err = db.Exec(dynStmt, id)
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if err != nil {
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e := fmt.Sprintf("Something went wrong trying to delete the user: %v", err)
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log.Println(e)
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c.IndentedJSON(http.StatusInternalServerError, setResponse(e, false))
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return
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}
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c.IndentedJSON(http.StatusOK, setResponse("User successfully deleted", true))
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}
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// //////////////////////////////////////////////////////////////////////////
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// Placeholder
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// //////////////////////////////////////////////////////////////////////////
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func createUser(c *gin.Context) {
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newuser := user{}
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if err := c.BindJSON(&newuser); err != nil {
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e := fmt.Sprintf("Something went wrong creating the user: %v", err)
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log.Println(e)
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c.IndentedJSON(http.StatusInternalServerError, setResponse(e, false))
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return
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}
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var dynStmt string
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if newuser.AccountType != "estudiante" && newuser.AccountType != "profesor" {
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if newuser.AccountType == "admin" {
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c.IndentedJSON(http.StatusTeapot, setResponse("Nice try (https://xkcd.com/327/)", false))
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return
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}
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c.IndentedJSON(http.StatusNotFound, setResponse("Invalid account type", false))
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return
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}
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dynStmt = `INSERT INTO usuarios(nombre, apellido1, apellido2, email, password, rol) values($1, $2, $3, $4, $5, $6)`
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_, err := db.Exec(dynStmt, newuser.Name, newuser.Surname1, newuser.Surname2, newuser.Email, hashPW(newuser.Password), newuser.AccountType)
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if err != nil {
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e := fmt.Sprintf("Something went wrong trying to create the user: %v", err)
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log.Println(e)
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c.IndentedJSON(http.StatusInternalServerError, setResponse(e, false))
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return
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}
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e := fmt.Sprintf("User %v has been created!", newuser.Name)
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c.IndentedJSON(http.StatusOK, setResponse(e, true))
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}
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// //////////////////////////////////////////////////////////////////////////
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// Placeholder
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// //////////////////////////////////////////////////////////////////////////
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func getUser(c *gin.Context) {
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id := c.Param("userid")
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_, err := strconv.Atoi(id)
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if err != nil {
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e := fmt.Sprintf("Invalid identifier")
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c.IndentedJSON(http.StatusNotFound, setResponse(e, false))
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return
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}
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user := user{}
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dynStmt := `SELECT id_usuario,nombre,apellido1,apellido2,email,rol FROM usuarios WHERE id_usuario = $1`
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err = db.QueryRow(dynStmt, id).Scan(&user.Id, &user.Name, &user.Surname1, &user.Surname2, &user.Email, &user.AccountType)
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if err != nil {
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if err == sql.ErrNoRows {
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c.IndentedJSON(http.StatusNotFound, setResponse("User not found", false))
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return
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}
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e := fmt.Sprintf("SOMETHING BAD HAPPENED QUERYING THE DATABASE: %v", err)
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log.Println(e)
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c.IndentedJSON(http.StatusInternalServerError, setResponse(e, false))
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return
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}
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c.IndentedJSON(http.StatusOK, setResponse(user, true))
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}
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// //////////////////////////////////////////////////////////////////////////
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// Placeholder
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// //////////////////////////////////////////////////////////////////////////
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func getUsers(c *gin.Context) {
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users := []user{}
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rows, err := db.Query("SELECT id_usuario,nombre,apellido1,apellido2,email,rol FROM usuarios")
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if err != nil {
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e := fmt.Sprintf("SOMETHING BAD HAPPENED QUERYING THE DATABASE: %v", err)
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log.Println(e)
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c.IndentedJSON(http.StatusInternalServerError, setResponse(e, false))
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return
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}
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defer rows.Close()
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for rows.Next() {
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user := user{}
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err = rows.Scan(&user.Id, &user.Name, &user.Surname1, &user.Surname2, &user.Email, &user.AccountType)
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if err != nil {
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e := fmt.Sprintf("SOMETHING BAD HAPPENED SCANNING THE ROWS: %v", err)
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log.Println(e)
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c.IndentedJSON(http.StatusInternalServerError, setResponse(e, false))
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return
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}
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users = append(users, user)
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}
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c.IndentedJSON(http.StatusOK, setResponse(users, true))
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}
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