move Context and session out of middleware

pkg/models/context.go

@@ -0,0 +1,86 @@
+package models
+
+import (
+	"strings"
+
+	"github.com/prometheus/client_golang/prometheus"
+	"gopkg.in/macaron.v1"
+
+	"github.com/grafana/grafana/pkg/log"
+	"github.com/grafana/grafana/pkg/services/session"
+	"github.com/grafana/grafana/pkg/setting"
+)
+
+type Context struct {
+	*macaron.Context
+	*SignedInUser
+
+	Session session.SessionStore
+
+	IsSignedIn     bool
+	IsRenderCall   bool
+	AllowAnonymous bool
+	Logger         log.Logger
+}
+
+// Handle handles and logs error by given status.
+func (ctx *Context) Handle(status int, title string, err error) {
+	if err != nil {
+		ctx.Logger.Error(title, "error", err)
+		if setting.Env != setting.PROD {
+			ctx.Data["ErrorMsg"] = err
+		}
+	}
+
+	ctx.Data["Title"] = title
+	ctx.Data["AppSubUrl"] = setting.AppSubUrl
+	ctx.Data["Theme"] = "dark"
+
+	ctx.HTML(status, "error")
+}
+
+func (ctx *Context) JsonOK(message string) {
+	resp := make(map[string]interface{})
+	resp["message"] = message
+	ctx.JSON(200, resp)
+}
+
+func (ctx *Context) IsApiRequest() bool {
+	return strings.HasPrefix(ctx.Req.URL.Path, "/api")
+}
+
+func (ctx *Context) JsonApiErr(status int, message string, err error) {
+	resp := make(map[string]interface{})
+
+	if err != nil {
+		ctx.Logger.Error(message, "error", err)
+		if setting.Env != setting.PROD {
+			resp["error"] = err.Error()
+		}
+	}
+
+	switch status {
+	case 404:
+		resp["message"] = "Not Found"
+	case 500:
+		resp["message"] = "Internal Server Error"
+	}
+
+	if message != "" {
+		resp["message"] = message
+	}
+
+	ctx.JSON(status, resp)
+}
+
+func (ctx *Context) HasUserRole(role RoleType) bool {
+	return ctx.OrgRole.Includes(role)
+}
+
+func (ctx *Context) HasHelpFlag(flag HelpFlags1) bool {
+	return ctx.HelpFlags1.HasFlag(flag)
+}
+
+func (ctx *Context) TimeRequest(timer prometheus.Summary) {
+	ctx.Data["perfmon.timer"] = timer
+}