Add reactions to issues/PR and comments (#2856)

modules/auth/repo_form.go

@@ -268,6 +268,16 @@ func (f *CreateCommentForm) Validate(ctx *macaron.Context, errs binding.Errors)
 	return validate(errs, ctx.Data, f, ctx.Locale)
 }
 
+// ReactionForm form for adding and removing reaction
+type ReactionForm struct {
+	Content string `binding:"Required;In(+1,-1,laugh,confused,heart,hooray)"`
+}
+
+// Validate validates the fields
+func (f *ReactionForm) Validate(ctx *macaron.Context, errs binding.Errors) binding.Errors {
+	return validate(errs, ctx.Data, f, ctx.Locale)
+}
+
 //    _____  .__.__                   __
 //   /     \ |__|  |   ____   _______/  |_  ____   ____   ____
 //  /  \ /  \|  |  | _/ __ \ /  ___/\   __\/  _ \ /    \_/ __ \

modules/context/context.go

@@ -211,7 +211,7 @@ func Contexter() macaron.Handler {
 			ctx.Data["SignedUserName"] = ctx.User.Name
 			ctx.Data["IsAdmin"] = ctx.User.IsAdmin
 		} else {
-			ctx.Data["SignedUserID"] = 0
+			ctx.Data["SignedUserID"] = int64(0)
 			ctx.Data["SignedUserName"] = ""
 		}
 

modules/setting/setting.go

@@ -256,6 +256,7 @@ var (
 		IssuePagingNum      int
 		RepoSearchPagingNum int
 		FeedMaxCommitNum    int
+		ReactionMaxUserNum  int
 		ThemeColorMetaTag   string
 		MaxDisplayFileSize  int64
 		ShowUserEmail       bool
@@ -279,6 +280,7 @@ var (
 		IssuePagingNum:      10,
 		RepoSearchPagingNum: 10,
 		FeedMaxCommitNum:    5,
+		ReactionMaxUserNum:  10,
 		ThemeColorMetaTag:   `#6cc644`,
 		MaxDisplayFileSize:  8388608,
 		Admin: struct {

modules/templates/helper.go

@@ -8,6 +8,7 @@ import (
 	"bytes"
 	"container/list"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"html/template"
 	"mime"
@@ -162,6 +163,21 @@ func NewFuncMap() []template.FuncMap {
 			return setting.DisableGitHooks
 		},
 		"TrN": TrN,
+		"Dict": func(values ...interface{}) (map[string]interface{}, error) {
+			if len(values)%2 != 0 {
+				return nil, errors.New("invalid dict call")
+			}
+			dict := make(map[string]interface{}, len(values)/2)
+			for i := 0; i < len(values); i += 2 {
+				key, ok := values[i].(string)
+				if !ok {
+					return nil, errors.New("dict keys must be strings")
+				}
+				dict[key] = values[i+1]
+			}
+			return dict, nil
+		},
+		"Printf": fmt.Sprintf,
 	}}
 }