Initial commit

cpone-dashboard/menu/abnormal/handler.go

@@ -0,0 +1,125 @@
+package abnormal
+
+import (
+	"cpone-dashboard/menu/auth"
+	"cpone-dashboard/menu/projects"
+	"encoding/json"
+	"html/template"
+	"net/http"
+)
+
+var tmpl *template.Template
+var basePath string
+
+func SetTemplates(t *template.Template) { tmpl = t }
+func SetBasePath(p string)              { basePath = p }
+
+type pageData struct {
+	Username       string
+	CurrentProject projects.ProjectItem
+	Group          string
+	Groups         []string
+	Summary        AbnormalSummary
+	StaffJSON      template.JS
+	AgeJSON        template.JS
+	GenderJSON     template.JS
+	DeptJSON       template.JS
+}
+
+func toJS(v any) template.JS {
+	b, _ := json.Marshal(v)
+	return template.JS(b)
+}
+
+func Index(w http.ResponseWriter, r *http.Request) {
+	username := auth.Username(r)
+	mcuID := auth.SelectedProjectID(r)
+	if mcuID == 0 {
+		http.Redirect(w, r, basePath+"/projects", http.StatusSeeOther)
+		return
+	}
+	project, ok, err := projects.GetUserProject(username, mcuID)
+	if err != nil || !ok {
+		http.Redirect(w, r, basePath+"/projects", http.StatusSeeOther)
+		return
+	}
+
+	group := r.URL.Query().Get("group")
+
+	groups, err := GetAbnormalGroups(mcuID)
+	if err != nil {
+		http.Error(w, "query error", http.StatusInternalServerError)
+		return
+	}
+
+	total, err := GetTotalPatients(mcuID)
+	if err != nil {
+		http.Error(w, "query error", http.StatusInternalServerError)
+		return
+	}
+	abnormalCount, err := GetAbnormalCount(mcuID, group)
+	if err != nil {
+		http.Error(w, "query error", http.StatusInternalServerError)
+		return
+	}
+	normalCount := total - abnormalCount
+	if normalCount < 0 {
+		normalCount = 0
+	}
+	rate := 0
+	if total > 0 {
+		rate = abnormalCount * 100 / total
+	}
+
+	ageData, err := GetAgeChartData(mcuID, group)
+	if err != nil {
+		http.Error(w, "query error", http.StatusInternalServerError)
+		return
+	}
+	genderData, err := GetGenderChartData(mcuID, group)
+	if err != nil {
+		http.Error(w, "query error", http.StatusInternalServerError)
+		return
+	}
+	deptData, err := GetDeptChartData(mcuID, group)
+	if err != nil {
+		http.Error(w, "query error", http.StatusInternalServerError)
+		return
+	}
+
+	t := tmpl
+	if t == nil {
+		http.Error(w, "template not ready", http.StatusInternalServerError)
+		return
+	}
+	if err := t.ExecuteTemplate(w, "base", pageData{
+		Username:       username,
+		CurrentProject: project,
+		Group:          group,
+		Groups:         groups,
+		Summary: AbnormalSummary{
+			Total:        total,
+			Abnormal:     abnormalCount,
+			Normal:       normalCount,
+			AbnormalRate: rate,
+		},
+		StaffJSON: toJS(map[string]any{
+			"normal":   normalCount,
+			"abnormal": abnormalCount,
+		}),
+		AgeJSON: toJS(map[string]any{
+			"labels":   ageData.Labels,
+			"abnormal": ageData.Abnormal,
+		}),
+		GenderJSON: toJS(map[string]any{
+			"labels":   genderData.Labels,
+			"abnormal": genderData.Abnormal,
+		}),
+		DeptJSON: toJS(map[string]any{
+			"labels":   deptData.Labels,
+			"abnormal": deptData.Abnormal,
+		}),
+	}); err != nil {
+		http.Error(w, "template error", http.StatusInternalServerError)
+	}
+}