430 lines
13 KiB
Go
430 lines
13 KiB
Go
package main
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import (
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"log"
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"net/http"
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"strconv"
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"strings"
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"github.com/gin-gonic/gin"
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)
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func declareAPIAdminCorrectionsRoutes(router *gin.RouterGroup) {
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router.GET("/corrections", func(c *gin.Context) {
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q := c.MustGet("question").(*Question)
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cts, err := q.GetCorrectionTemplates()
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if err != nil {
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log.Println("Unable to GetCorrectionTemplates:", err)
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c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": "An error occurs when trying to retrive correction's templates"})
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return
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}
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c.JSON(http.StatusOK, cts)
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})
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router.POST("/corrections", func(c *gin.Context) {
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q := c.MustGet("question").(*Question)
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var new CorrectionTemplate
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if err := c.ShouldBindJSON(&new); err != nil {
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c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"errmsg": err.Error()})
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return
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}
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ct, err := q.NewCorrectionTemplate(new.Label, new.RegExp, new.Score, new.ScoreExplaination)
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if err != nil {
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log.Println("Unable to NewCorrectionTemplate:", err)
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c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": "An error occurs when trying to insert new correction template."})
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return
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}
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c.JSON(http.StatusOK, ct)
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})
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correctionsRoutes := router.Group("/corrections/:cid")
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correctionsRoutes.Use(correctionHandler)
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correctionsRoutes.GET("", func(c *gin.Context) {
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ct := c.MustGet("correctiontemplate").(*CorrectionTemplate)
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users, err := ct.GetUserCorrected()
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if err != nil {
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log.Println("Unable to GetUserCorrected:", err)
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c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": "An error occurs when trying to retrieve users' corrections"})
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return
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}
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c.JSON(http.StatusOK, users)
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})
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correctionsRoutes.PUT("", func(c *gin.Context) {
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current := c.MustGet("correctiontemplate").(*CorrectionTemplate)
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var new CorrectionTemplate
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if err := c.ShouldBindJSON(&new); err != nil {
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c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"errmsg": err.Error()})
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return
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}
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new.Id = current.Id
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if err := new.Update(); err != nil {
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log.Println("Unable to Update correctionTemplate:", err)
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c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": "An error occurs when trying to update the correction template"})
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return
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}
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c.JSON(http.StatusOK, new)
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})
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correctionsRoutes.DELETE("", func(c *gin.Context) {
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ct := c.MustGet("correctiontemplate").(*CorrectionTemplate)
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if _, err := ct.Delete(); err != nil {
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log.Println("Unable to Delete correctionTemplate:", err)
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c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": "An error occurs when trying to delete the correction template."})
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return
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}
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c.JSON(http.StatusOK, nil)
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})
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}
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func declareAPIAdminUserCorrectionsRoutes(router *gin.RouterGroup) {
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router.GET("/corrections", func(c *gin.Context) {
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user := c.MustGet("user").(*User)
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corrections, err := user.GetCorrections()
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if err != nil {
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log.Printf("Unable to GetCorrections(uid=%d): %s", user.Id, err.Error())
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c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": "Unable to retrieve corrections."})
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return
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}
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c.JSON(http.StatusOK, corrections)
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})
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router.POST("/corrections", func(c *gin.Context) {
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user := c.MustGet("user").(*User)
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var new UserCorrection
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if err := c.ShouldBindJSON(&new); err != nil {
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c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"errmsg": err.Error()})
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return
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}
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correction, err := user.NewCorrection(new.IdTemplate)
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if err != nil {
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log.Printf("Unable to NewCorrection(uid=%d): %s", user.Id, err.Error())
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c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": "Unable to insert the new correction."})
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return
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}
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c.JSON(http.StatusOK, correction)
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})
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router.PUT("/corrections", func(c *gin.Context) {
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user := c.MustGet("user").(*User)
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var new map[int64]bool
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if err := c.ShouldBindJSON(&new); err != nil {
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c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"errmsg": err.Error()})
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return
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}
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correction, err := user.EraseCorrections(new)
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if err != nil {
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log.Printf("Unable to EraseCorrections(uid=%d): %s", user.Id, err.Error())
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c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": "Unable to erase the correction."})
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return
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}
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c.JSON(http.StatusOK, correction)
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})
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correctionsRoutes := router.Group("/corrections/:cid")
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correctionsRoutes.Use(userCorrectionHandler)
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correctionsRoutes.DELETE("", func(c *gin.Context) {
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user := c.MustGet("user").(*User)
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uc := c.MustGet("correction").(*UserCorrection)
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if _, err := uc.Delete(user); err != nil {
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log.Printf("Unable to Delete(uid=%d, cid=%d) user correction: %s", user.Id, uc.Id, err.Error())
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c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": "Unable to delete this correction."})
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return
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}
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c.JSON(http.StatusOK, nil)
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})
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}
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func correctionHandler(c *gin.Context) {
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q := c.MustGet("question").(*Question)
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if cid, err := strconv.Atoi(string(c.Param("cid"))); err != nil {
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c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"errmsg": "Invalid correction id"})
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return
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} else if correction, err := q.GetCorrectionTemplate(cid); err != nil {
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c.AbortWithStatusJSON(http.StatusNotFound, gin.H{"errmsg": "Correction not found"})
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return
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} else {
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c.Set("correctiontemplate", correction)
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c.Next()
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}
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}
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type CorrectionTemplate struct {
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Id int64 `json:"id"`
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IdQuestion int64 `json:"id_question"`
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Label string `json:"label"`
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RegExp string `json:"regexp"`
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Score int `json:"score"`
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ScoreExplaination string `json:"score_explaination,omitempty"`
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}
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func (q *Question) GetCorrectionTemplates() (ct []*CorrectionTemplate, err error) {
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if rows, errr := DBQuery("SELECT id_template, id_question, label, re, score, score_explanation FROM correction_templates WHERE id_question=?", q.Id); errr != nil {
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return nil, errr
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} else {
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defer rows.Close()
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for rows.Next() {
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var c CorrectionTemplate
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if err = rows.Scan(&c.Id, &c.IdQuestion, &c.Label, &c.RegExp, &c.Score, &c.ScoreExplaination); err != nil {
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return
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}
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ct = append(ct, &c)
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}
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if err = rows.Err(); err != nil {
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return
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}
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return
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}
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}
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func (q *Question) GetCorrectionTemplate(id int) (c *CorrectionTemplate, err error) {
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c = new(CorrectionTemplate)
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err = DBQueryRow("SELECT id_template, id_question, label, re, score, score_explanation FROM correction_templates WHERE id_question=? AND id_template=?", q.Id, id).Scan(&c.Id, &c.IdQuestion, &c.Label, &c.RegExp, &c.Score, &c.ScoreExplaination)
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return
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}
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func GetCorrectionTemplate(id int64) (c *CorrectionTemplate, err error) {
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c = new(CorrectionTemplate)
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err = DBQueryRow("SELECT id_template, id_question, label, re, score, score_explanation FROM correction_templates WHERE id_template=?", id).Scan(&c.Id, &c.IdQuestion, &c.Label, &c.RegExp, &c.Score, &c.ScoreExplaination)
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return
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}
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func (q *Question) NewCorrectionTemplate(label string, regexp string, score int, score_explaination string) (*CorrectionTemplate, error) {
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if res, err := DBExec("INSERT INTO correction_templates (id_question, label, re, score, score_explanation) VALUES (?, ?, ?, ?, ?)", q.Id, label, regexp, score, score_explaination); err != nil {
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return nil, err
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} else if cid, err := res.LastInsertId(); err != nil {
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return nil, err
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} else {
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return &CorrectionTemplate{cid, q.Id, label, regexp, score, score_explaination}, nil
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}
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}
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func (t *CorrectionTemplate) Update() error {
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_, err := DBExec("UPDATE correction_templates SET id_question = ?, label = ?, re = ?, score = ?, score_explanation = ? WHERE id_template = ?", t.IdQuestion, t.Label, t.RegExp, t.Score, t.ScoreExplaination, t.Id)
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return err
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}
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func (t *CorrectionTemplate) Delete() (int64, error) {
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if res, err := DBExec("DELETE FROM correction_templates WHERE id_template = ?", t.Id); err != nil {
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return 0, err
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} else if nb, err := res.RowsAffected(); err != nil {
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return 0, err
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} else {
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return nb, err
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}
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}
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func (t *CorrectionTemplate) GetUserCorrected() (ucs []*UserCorrection, err error) {
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if rows, errr := DBQuery("SELECT id_correction, id_user, id_template FROM student_corrected WHERE id_template=?", t.Id); errr != nil {
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return nil, errr
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} else {
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defer rows.Close()
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for rows.Next() {
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var c UserCorrection
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if err = rows.Scan(&c.Id, &c.IdUser, &c.IdTemplate); err != nil {
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return
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}
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ucs = append(ucs, &c)
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}
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if err = rows.Err(); err != nil {
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return
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}
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return
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}
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}
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func ClearTemplates() (int64, error) {
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if res, err := DBExec("DELETE FROM correction_templates"); err != nil {
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return 0, err
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} else if nb, err := res.RowsAffected(); err != nil {
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return 0, err
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} else {
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return nb, err
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}
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}
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type UserCorrection struct {
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Id int64 `json:"id"`
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IdUser int64 `json:"id_user,omitempty"`
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IdTemplate int64 `json:"id_template"`
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}
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func userCorrectionHandler(c *gin.Context) {
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u := c.MustGet("user").(*User)
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if cid, err := strconv.Atoi(string(c.Param("cid"))); err != nil {
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c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"errmsg": "Invalid correction id"})
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return
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} else if correction, err := u.GetCorrection(cid); err != nil {
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c.AbortWithStatusJSON(http.StatusNotFound, gin.H{"errmsg": "Correction not found"})
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return
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} else {
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c.Set("correction", correction)
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c.Next()
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}
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}
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func (u *User) GetCorrections() (uc []UserCorrection, err error) {
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if rows, errr := DBQuery("SELECT id_correction, id_template FROM student_corrected WHERE id_user=?", u.Id); errr != nil {
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return nil, errr
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} else {
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defer rows.Close()
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for rows.Next() {
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var c UserCorrection
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if err = rows.Scan(&c.Id, &c.IdTemplate); err != nil {
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return
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}
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uc = append(uc, c)
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}
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if err = rows.Err(); err != nil {
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return
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}
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return
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}
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}
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func (u *User) GetCorrectionsTemplate() (tpls []int64, err error) {
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if rows, errr := DBQuery("SELECT id_template FROM student_corrected WHERE id_user=?", u.Id); errr != nil {
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return nil, errr
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} else {
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defer rows.Close()
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for rows.Next() {
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var tpl int64
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if err = rows.Scan(&tpl); err != nil {
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return
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}
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tpls = append(tpls, tpl)
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}
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if err = rows.Err(); err != nil {
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return
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}
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return
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}
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}
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func (u *User) GetCorrection(id int) (c *UserCorrection, err error) {
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c = new(UserCorrection)
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err = DBQueryRow("SELECT id_correction, id_template FROM student_corrected WHERE id_user=? AND id_correction=?", u.Id, id).Scan(&c.Id, &c.IdTemplate)
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return
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}
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func (u *User) NewCorrection(id int64) (*UserCorrectionSummary, error) {
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if res, err := DBExec("INSERT INTO student_corrected (id_user, id_template) VALUES (?, ?)", u.Id, id); err != nil {
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return nil, err
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} else if cid, err := res.LastInsertId(); err != nil {
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return nil, err
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} else if ucs, err := u.ComputeScoreQuestion(id); err != nil {
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return nil, err
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} else {
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ucs.LastId = cid
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return ucs, nil
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}
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}
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func (u *User) EraseCorrections(ids map[int64]bool) (*UserCorrectionSummary, error) {
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var lastid int64
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for id, st := range ids {
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lastid = id
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if st {
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DBExec("INSERT INTO student_corrected (id_user, id_template) VALUES (?, ?)", u.Id, id)
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} else {
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DBExec("DELETE FROM student_corrected WHERE id_user = ? AND id_template = ?", u.Id, id)
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}
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}
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if ucs, err := u.ComputeScoreQuestion(lastid); err != nil {
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return nil, err
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} else {
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return ucs, nil
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}
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}
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func (c *UserCorrection) Delete(u *User) (*UserCorrectionSummary, error) {
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if res, err := DBExec("DELETE FROM student_corrected WHERE id_correction = ?", c.Id); err != nil {
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return nil, err
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} else if _, err := res.RowsAffected(); err != nil {
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return nil, err
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} else if ucs, err := u.ComputeScoreQuestion(c.IdTemplate); err != nil {
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return nil, err
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} else {
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return ucs, nil
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}
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}
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type UserCorrectionSummary struct {
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LastId int64 `json:"last_id,omitempty"`
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Score int `json:"score"`
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ScoreExplaination string `json:"score_explaination"`
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}
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func (u *User) ComputeScoreQuestion(idtpl int64) (*UserCorrectionSummary, error) {
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if tpl, err := GetCorrectionTemplate(idtpl); err != nil {
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return nil, err
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} else if question, err := getQuestion(int(tpl.IdQuestion)); err != nil {
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return nil, err
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} else {
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return question.ComputeScoreQuestion(u)
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}
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}
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func (q *Question) ComputeScoreQuestion(u *User) (*UserCorrectionSummary, error) {
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if templates, err := q.GetCorrectionTemplates(); err != nil {
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return nil, err
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} else if corrections, err := u.GetCorrectionsTemplate(); err != nil {
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return nil, err
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} else {
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tpls := map[int64]*CorrectionTemplate{}
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for _, tpl := range templates {
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tpls[tpl.Id] = tpl
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}
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score := 100
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var expl []string
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for _, correction := range corrections {
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if _, ok := tpls[correction]; ok {
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score += tpls[correction].Score
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if tpls[correction].ScoreExplaination != "" {
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expl = append(expl, tpls[correction].ScoreExplaination)
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}
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delete(tpls, correction)
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}
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}
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return &UserCorrectionSummary{Score: score, ScoreExplaination: strings.Join(expl, ". ")}, nil
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}
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}
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