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widgetmanager.go
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widgetmanager.go
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/*
*
* Copyright 2023 puzzleweaver authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package remotewidgethelper
import (
"context"
"github.com/gin-gonic/gin"
)
type ActionHandler = func(context.Context, gin.H) (string, string, []byte, error)
type Action struct {
Kind uint8
Path string
QueryNames []string
Handler ActionHandler
}
type Widget map[string]Action
// based on gin path convention, with the path "/view/:id/:name"
// the map passed to handler will contains "pathData/id" and "pathData/name" entries
// handler returned values are supposed to be redirect, templateName and data :
//
// 1. redirect is a redirect path (ignored if empty), to build an absolute one on the site the map contains the "CurrentUrl" entry
//
// 2. data could be :
//
// - a json marshalled map which entries will be added to the data passed to the template engine with templateName
//
// - or any raw data when the action kind is remoteservice.KIND_RAW
func (w Widget) AddAction(actionName string, kind uint8, path string, handler ActionHandler) {
w[actionName] = Action{Kind: kind, Path: path, Handler: handler}
}
// Like AddAction but allow to indicate which query parameters should be transmitted.
func (w Widget) AddActionWithQuery(actionName string, kind uint8, path string, queryNames []string, handler ActionHandler) {
w[actionName] = Action{Kind: kind, Path: path, QueryNames: queryNames, Handler: handler}
}
type WidgetManager map[string]Widget
func NewManager() WidgetManager {
return WidgetManager{}
}
func (manager WidgetManager) CreateWidget(widgetName string) Widget {
widget, ok := manager[widgetName]
if !ok {
widget = Widget{}
manager[widgetName] = widget
}
return widget
}