[add] Add batch mark leave function

Author: kennhung

templates/meetings_detail.html

@@ -51,7 +51,7 @@ <h4>Participants</h4>
                     <div class="row mb-3">
                         {{if and .IsAdmin (not .MeetingFinished)}}
                             <div class="btn-bar ml-3">
-                                <button class="btn btn-sm btn-outline-info">Mark leave</button>
+                                <button class="btn btn-sm btn-outline-info" id="markLeaveBtn">Mark leave</button>
                             </div>
                         {{end}}
                     </div>
@@ -192,6 +192,28 @@ <h5 class="modal-title">Participant Detail</h5>
                 });
             }
         });
+
+        $("#markLeaveBtn").on('click', function () {
+            let checked = [];
+            $("input[name='participant[]']").each(function () {
+                if ($(this).prop("checked")) {
+                    checked.push($(this).val());
+                }
+            });
+
+            let req = new XMLHttpRequest();
+            req.open("POST", "/meeting/participant/leave/batch/{{.Meeting.MeetId}}");
+            req.setRequestHeader("Content-Type", "application/json");
+            req.send(JSON.stringify(checked));
+
+            req.onload = function () {
+                if(req.status === 204){
+                    window.location.reload();
+                } else {
+                    console.log(req.response);
+                }
+            }
+        });
     </script>
 {{end}}
 

web/meetings.go

@@ -2,6 +2,7 @@ package web
 
 import (
 	"encoding/base64"
+	"encoding/json"
 	"errors"
 	"fmt"
 	"github.com/Team6083/OverHours/models"
@@ -350,6 +351,51 @@ func (web *Web) MeetingParticipantLeaveGET(w http.ResponseWriter, r *http.Reques
 	http.Redirect(w, r, fmt.Sprintf("/meeting/detail/%s", meetId), http.StatusSeeOther)
 }
 
+func (web *Web) MeetingParticipantLeaveBatchPOST(w http.ResponseWriter, r *http.Request) {
+	sessionUser := r.Context().Value("user").(*models.User)
+
+	if !sessionUser.CheckPermissionLevel(models.PermissionAdmin) {
+		web.handle403(w, r)
+		return
+	}
+
+	decoder := json.NewDecoder(r.Body)
+	var data []string
+	err := decoder.Decode(&data)
+	if err != nil {
+		handleWebErr(w, err)
+		return
+	}
+
+	vars := mux.Vars(r)
+	meetId := vars["meetId"]
+
+	meeting, err := web.database.GetMeetingByMeetId(meetId)
+	if err != nil {
+		handleWebErr(w, err)
+		return
+	}
+
+	participants := meeting.Participants
+
+	for _, v := range data {
+		if _, ok := participants[v]; ok {
+			participant := participants[v]
+			participant.Leave = true
+			participants[v] = participant
+		}
+	}
+
+	meeting.Participants = participants
+	_, err = web.database.SaveMeeting(meeting)
+	if err != nil {
+		handleWebErr(w, err)
+		return
+	}
+
+	w.WriteHeader(http.StatusNoContent)
+}
+
 func (web *Web) MeetingParticipantDeleteLogGET(w http.ResponseWriter, r *http.Request) {
 	sessionUser := r.Context().Value("user").(*models.User)
 

web/routes.go

@@ -22,6 +22,7 @@ func (web *Web) GetPageInfos() []PageInfo {
 	pages = append(pages, PageInfo{"/meeting/checkin/{meetId}", web.MeetingCheckinGET, "GET", PageLogin, true})
 	pages = append(pages, PageInfo{"/meeting/checkin/{meetId}/{userId}", web.MeetingCheckinGET, "GET", PageLogin, true})
 	pages = append(pages, PageInfo{"/meeting/participant/leave/{meetId}/{userId}", web.MeetingParticipantLeaveGET, "GET", PageLogin, true})
+	pages = append(pages, PageInfo{"/meeting/participant/leave/batch/{meetId}", web.MeetingParticipantLeaveBatchPOST, "POST", PageLeader, true})
 	pages = append(pages, PageInfo{"/meeting/participant/deleteLog/{meetId}/{userId}", web.MeetingParticipantDeleteLogGET, "GET", PageLogin, true})
 	pages = append(pages, PageInfo{"/meeting/participant/delete/{meetId}/{userId}", web.MeetingParticipantDeleteGET, "GET", PageLogin, true})
 	pages = append(pages, PageInfo{"/meeting/form", web.MeetingFormGET, "GET", PageLeader, true})