Use gin-gonic instead of httprouter

This commit is contained in:
nemunaire 2022-07-09 19:42:00 +02:00
commit a203cdc36a
22 changed files with 1631 additions and 1355 deletions

314
works.go
View file

@ -2,158 +2,233 @@ package main
import (
"database/sql"
"encoding/json"
"errors"
"fmt"
"log"
"net/http"
"strconv"
"strings"
"time"
"github.com/julienschmidt/httprouter"
"github.com/gin-gonic/gin"
)
func init() {
router.GET("/api/works", apiAuthHandler(
func(u *User, _ httprouter.Params, _ []byte) HTTPResponse {
if u == nil {
return formatApiResponse(getWorks(fmt.Sprintf("WHERE shown = TRUE AND NOW() > start_availability AND promo = %d ORDER BY start_availability ASC", currentPromo)))
} else if u.IsAdmin {
return formatApiResponse(getWorks("ORDER BY promo DESC, start_availability ASC"))
} else {
works, err := getWorks(fmt.Sprintf("WHERE shown = TRUE AND promo = %d ORDER BY start_availability ASC", u.Promo))
if err != nil {
return APIErrorResponse{err: err}
}
func declareAPIWorksRoutes(router *gin.RouterGroup) {
router.GET("/works", func(c *gin.Context) {
var u *User
if user, ok := c.Get("LoggedUser"); ok {
u = user.(*User)
}
var response []Work
for _, w := range works {
if w.Group == "" || strings.Contains(u.Groups, ","+w.Group+",") {
w.Group = ""
response = append(response, w)
}
}
var works []*Work
var err error
if u == nil {
works, err = getWorks(fmt.Sprintf("WHERE shown = TRUE AND NOW() > start_availability AND promo = %d ORDER BY start_availability ASC", currentPromo))
} else if u.IsAdmin {
works, err = getWorks("ORDER BY promo DESC, start_availability ASC")
} else {
works, err = getWorks(fmt.Sprintf("WHERE shown = TRUE AND promo = %d ORDER BY start_availability ASC", u.Promo))
}
return formatApiResponse(response, nil)
if err != nil {
log.Println("Unable to getWorks:", err)
c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": "Impossible de récupérer la liste des travaux. Veuillez réessayer dans quelques instants."})
return
}
var response []*Work
if u == nil || u.IsAdmin {
response = works
} else {
for _, w := range works {
if w.Group == "" || strings.Contains(u.Groups, ","+w.Group+",") {
w.Group = ""
response = append(response, w)
}
}
}))
router.GET("/api/all_works", apiAuthHandler(
func(u *User, _ httprouter.Params, _ []byte) HTTPResponse {
if u == nil {
return formatApiResponse(allWorks(fmt.Sprintf("WHERE (shown = TRUE OR direct IS NOT NULL) AND NOW() > start_availability AND promo = %d ORDER BY start_availability ASC, end_availability ASC", currentPromo)))
} else if u.IsAdmin {
return formatApiResponse(allWorks("ORDER BY promo DESC, start_availability ASC"))
} else {
works, err := allWorks(fmt.Sprintf("WHERE (shown = TRUE OR direct IS NOT NULL) AND promo = %d ORDER BY start_availability ASC, end_availability ASC", u.Promo))
if err != nil {
return APIErrorResponse{err: err}
}
}
var response []OneWork
for _, w := range works {
if w.Group == "" || strings.Contains(u.Groups, ","+w.Group+",") {
w.Group = ""
response = append(response, w)
}
}
c.JSON(http.StatusOK, response)
})
router.GET("/all_works", func(c *gin.Context) {
var u *User
if user, ok := c.Get("LoggedUser"); ok {
u = user.(*User)
}
return formatApiResponse(response, nil)
var works []*OneWork
var err error
if u == nil {
works, err = allWorks(fmt.Sprintf("WHERE (shown = TRUE OR direct IS NOT NULL) AND NOW() > start_availability AND promo = %d ORDER BY start_availability ASC, end_availability ASC", currentPromo))
} else if u.IsAdmin {
works, err = allWorks("ORDER BY promo DESC, start_availability ASC")
} else {
works, err = allWorks(fmt.Sprintf("WHERE (shown = TRUE OR direct IS NOT NULL) AND promo = %d ORDER BY start_availability ASC, end_availability ASC", u.Promo))
}
if err != nil {
log.Println("Unable to getWorks:", err)
c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": "Impossible de récupérer la liste des travaux. Veuillez réessayer dans quelques instants."})
return
}
var response []*OneWork
if u == nil || u.IsAdmin {
response = works
} else {
for _, w := range works {
if w.Group == "" || strings.Contains(u.Groups, ","+w.Group+",") {
w.Group = ""
response = append(response, w)
}
}
}))
router.POST("/api/works", apiHandler(func(_ httprouter.Params, body []byte) HTTPResponse {
}
c.JSON(http.StatusOK, response)
})
}
func declareAPIAdminWorksRoutes(router *gin.RouterGroup) {
router.POST("/works", func(c *gin.Context) {
var new Work
if err := json.Unmarshal(body, &new); err != nil {
return APIErrorResponse{err: err}
if err := c.ShouldBindJSON(&new); err != nil {
c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"errmsg": err.Error()})
return
}
if new.Promo == 0 {
new.Promo = currentPromo
}
return formatApiResponse(NewWork(new.Title, new.Promo, new.Group, new.Shown, new.SubmissionURL, new.StartAvailability, new.EndAvailability))
}, adminRestricted))
router.GET("/api/works/:wid", apiAuthHandler(workAuthHandler(
func(w Work, u *User, _ []byte) HTTPResponse {
if u.IsAdmin {
return APIResponse{w}
} else if w.Shown && w.StartAvailability.Before(time.Now()) && (w.Group == "" || strings.Contains(u.Groups, ","+w.Group+",")) {
return APIResponse{w}
} else {
return APIErrorResponse{status: http.StatusForbidden, err: fmt.Errorf("Permission denied")}
}
}), loggedUser))
router.PUT("/api/works/:wid", apiHandler(workHandler(func(current Work, body []byte) HTTPResponse {
work, err := NewWork(new.Title, new.Promo, new.Group, new.Shown, new.SubmissionURL, new.StartAvailability, new.EndAvailability)
if err != nil {
log.Println("Unable to NewWork:", err)
c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": "An error occurs during work creation"})
return
}
c.JSON(http.StatusOK, work)
})
worksRoutes := router.Group("/works/:wid")
worksRoutes.Use(workHandler)
worksRoutes.PUT("", func(c *gin.Context) {
current := c.MustGet("work").(*Work)
var new Work
if err := json.Unmarshal(body, &new); err != nil {
return APIErrorResponse{err: err}
if err := c.ShouldBindJSON(&new); err != nil {
c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"errmsg": err.Error()})
return
}
new.Id = current.Id
return formatApiResponse(new.Update())
}), adminRestricted))
router.DELETE("/api/works/:wid", apiHandler(workHandler(
func(w Work, _ []byte) HTTPResponse {
return formatApiResponse(w.Delete())
}), adminRestricted))
work, err := new.Update()
if err != nil {
log.Println("Unable to Update work:", err)
c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": "An error occurs during work update."})
return
}
c.JSON(http.StatusOK, work)
})
worksRoutes.DELETE("", func(c *gin.Context) {
w := c.MustGet("work").(*Work)
_, err := w.Delete()
if err != nil {
log.Println("Unable to Delte work:", err)
c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": "An error occurs during work deletion."})
return
}
c.JSON(http.StatusOK, nil)
})
// Grades related to works
router.GET("/api/works/:wid/grades", apiHandler(workHandler(
func(w Work, _ []byte) HTTPResponse {
return formatApiResponse(w.GetGrades(""))
}), adminRestricted))
router.PUT("/api/works/:wid/grades", apiHandler(workHandler(
func(w Work, body []byte) HTTPResponse {
_, err := w.DeleteGrades()
if err != nil {
return APIErrorResponse{err: err}
}
worksRoutes.GET("/grades", func(c *gin.Context) {
w := c.MustGet("work").(*Work)
var grades []WorkGrade
if err := json.Unmarshal(body, &grades); err != nil {
return APIErrorResponse{err: err}
}
grades, err := w.GetGrades("")
if err != nil {
log.Printf("Unable to GetGrades(wid=%d): %s", w.Id, err.Error())
c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": "An error occurs during grades retrieval."})
return
}
err = w.AddGrades(grades)
if err != nil {
return APIErrorResponse{err: err}
}
c.JSON(http.StatusOK, grades)
})
worksRoutes.PUT("/grades", func(c *gin.Context) {
w := c.MustGet("work").(*Work)
return APIResponse{true}
}), adminRestricted))
router.GET("/api/works/:wid/score", apiAuthHandler(workAuthHandler(
func(w Work, u *User, _ []byte) HTTPResponse {
if g, err := u.GetMyWorkGrade(&w); err != nil && errors.Is(err, sql.ErrNoRows) {
return APIErrorResponse{status: http.StatusNotFound, err: fmt.Errorf("Aucune note n'a été attribuée pour ce travail. Avez-vous rendu ce travail ?")}
} else if err != nil {
return APIErrorResponse{err: err}
} else {
return APIResponse{g}
}
}), loggedUser))
var grades []WorkGrade
if err := c.ShouldBindJSON(&grades); err != nil {
c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"errmsg": err.Error()})
return
}
_, err := w.DeleteGrades()
if err != nil {
log.Printf("Unable to DeleteGrades(wid=%d): %s", w.Id, err.Error())
c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": "An error occurs during grades deletion."})
return
}
err = w.AddGrades(grades)
if err != nil {
log.Printf("Unable to AddGrades(wid=%d): %s", w.Id, err.Error())
c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": "An error occurs during grades erasing."})
return
}
c.JSON(http.StatusOK, true)
})
}
func workHandler(f func(Work, []byte) HTTPResponse) func(httprouter.Params, []byte) HTTPResponse {
return func(ps httprouter.Params, body []byte) HTTPResponse {
if wid, err := strconv.Atoi(string(ps.ByName("wid"))); err != nil {
return APIErrorResponse{err: err}
} else if work, err := getWork(wid); err != nil {
return APIErrorResponse{err: err}
func declareAPIAuthWorksRoutes(router *gin.RouterGroup) {
worksRoutes := router.Group("/works/:wid")
worksRoutes.Use(workHandler)
worksRoutes.GET("", func(c *gin.Context) {
u := c.MustGet("LoggedUser").(*User)
w := c.MustGet("work").(*Work)
if u.IsAdmin {
c.JSON(http.StatusOK, w)
} else if w.Shown && w.StartAvailability.Before(time.Now()) && (w.Group == "" || strings.Contains(u.Groups, ","+w.Group+",")) {
c.JSON(http.StatusOK, w)
} else {
return f(work, body)
c.AbortWithStatusJSON(http.StatusForbidden, gin.H{"errmsg": "Permission denied"})
}
}
})
// Grades related to works
worksRoutes.GET("/score", func(c *gin.Context) {
u := c.MustGet("LoggedUser").(*User)
w := c.MustGet("work").(*Work)
if g, err := u.GetMyWorkGrade(w); err != nil && errors.Is(err, sql.ErrNoRows) {
c.AbortWithStatusJSON(http.StatusNotFound, gin.H{"errmsg": "Aucune note n'a été attribuée pour ce travail. Avez-vous rendu ce travail ?"})
} else if err != nil {
log.Printf("Unable to GetMyWorkGrade(uid=%d;wid=%d): %s", u.Id, w.Id, err.Error())
c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": "An error occurs during grade calculation."})
} else {
c.JSON(http.StatusOK, g)
}
})
}
func workAuthHandler(f func(Work, *User, []byte) HTTPResponse) func(*User, httprouter.Params, []byte) HTTPResponse {
return func(u *User, ps httprouter.Params, body []byte) HTTPResponse {
if wid, err := strconv.Atoi(string(ps.ByName("wid"))); err != nil {
return APIErrorResponse{err: err}
} else if work, err := getWork(wid); err != nil {
return APIErrorResponse{err: err}
} else {
return f(work, u, body)
}
func workHandler(c *gin.Context) {
if wid, err := strconv.Atoi(string(c.Param("wid"))); err != nil {
c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"errmsg": "Bad work identifier."})
return
} else if work, err := getWork(wid); err != nil {
c.AbortWithStatusJSON(http.StatusNotFound, gin.H{"errmsg": "Work not found."})
return
} else {
c.Set("work", work)
c.Next()
}
}
@ -171,7 +246,7 @@ type OneWork struct {
EndAvailability time.Time `json:"end_availability"`
}
func allWorks(cnd string, param ...interface{}) (items []OneWork, err error) {
func allWorks(cnd string, param ...interface{}) (items []*OneWork, err error) {
if rows, errr := DBQuery("SELECT kind, id, title, promo, grp, shown, direct, submission_url, corrected, start_availability, end_availability FROM all_works "+cnd, param...); errr != nil {
return nil, errr
} else {
@ -182,7 +257,7 @@ func allWorks(cnd string, param ...interface{}) (items []OneWork, err error) {
if err = rows.Scan(&w.Kind, &w.Id, &w.Title, &w.Promo, &w.Group, &w.Shown, &w.Direct, &w.SubmissionURL, &w.Corrected, &w.StartAvailability, &w.EndAvailability); err != nil {
return
}
items = append(items, w)
items = append(items, &w)
}
if err = rows.Err(); err != nil {
return
@ -204,7 +279,7 @@ type Work struct {
EndAvailability time.Time `json:"end_availability"`
}
func getWorks(cnd string, param ...interface{}) (items []Work, err error) {
func getWorks(cnd string, param ...interface{}) (items []*Work, err error) {
if rows, errr := DBQuery("SELECT id_work, title, promo, grp, shown, submission_url, corrected, start_availability, end_availability FROM works "+cnd, param...); errr != nil {
return nil, errr
} else {
@ -215,7 +290,7 @@ func getWorks(cnd string, param ...interface{}) (items []Work, err error) {
if err = rows.Scan(&w.Id, &w.Title, &w.Promo, &w.Group, &w.Shown, &w.SubmissionURL, &w.Corrected, &w.StartAvailability, &w.EndAvailability); err != nil {
return
}
items = append(items, w)
items = append(items, &w)
}
if err = rows.Err(); err != nil {
return
@ -225,7 +300,8 @@ func getWorks(cnd string, param ...interface{}) (items []Work, err error) {
}
}
func getWork(id int) (w Work, err error) {
func getWork(id int) (w *Work, err error) {
w = new(Work)
err = DBQueryRow("SELECT id_work, title, promo, grp, shown, submission_url, corrected, start_availability, end_availability FROM works WHERE id_work=?", id).Scan(&w.Id, &w.Title, &w.Promo, &w.Group, &w.Shown, &w.SubmissionURL, &w.Corrected, &w.StartAvailability, &w.EndAvailability)
return
}