func (c Tasks) UpdateTask(id int) rev.Result {
var err error
task, err := c.decodeTask()
if err != nil {
rev.ERROR.Printf("Decode error: %s", err)
panic(err)
}
summary := task.Summary
description := task.Description
neo := db.Connect("http://localhost:7474/db/data")
nodes := neo.Connection.Nodes
taskNode, err := nodes.Get(id)
if err != nil {
rev.ERROR.Printf("Could not get task: %s", err)
panic(err)
}
err = taskNode.SetProperty("summary", summary)
if err != nil {
rev.ERROR.Printf("Could not set propery 'summary' : %s", err)
panic(err)
}
err = taskNode.SetProperty("description", description)
if err != nil {
rev.ERROR.Printf("Could not set propery 'description' : %s", err)
panic(err)
}
return c.RenderJson(task)
}
func (c Tasks) DeleteTask(id int) rev.Result {
neo := db.Connect("http://localhost:7474/db/data")
nodes := neo.Connection.Nodes
taskNode, err := nodes.Get(id)
if err != nil {
rev.ERROR.Printf("Could not get task: %s", err)
panic(err)
}
rels, err := taskNode.Relationships()
if err != nil {
rev.ERROR.Printf("Could not get task relationships: %s", err)
panic(err)
}
for _, rel := range rels {
err = rel.Delete()
if err != nil {
rev.ERROR.Printf("Could not delete task relation: %s", err)
panic(err)
}
}
err = taskNode.Delete()
if err != nil {
rev.ERROR.Printf("Could not delete task: %s", err)
panic(err)
}
return c.RenderText("ok")
}
func (c Tasks) CreateTask() rev.Result {
task, err := c.decodeTask()
if err != nil {
rev.ERROR.Printf("Decode error: %s", err)
panic(err)
}
summary := task.Summary
description := task.Description
neo := db.Connect("http://localhost:7474/db/data")
nodes := neo.Connection.Nodes
rootNode := neo.GetRootNode()
/*
Получим узел задач, с ним будут связана вновь созданая задача.
Это map[int] Relation, но фактически там один элемент.
*/
tasksRels, err := rootNode.Outgoing("TASKS")
if err != nil {
rev.ERROR.Fatalln("Failed to get TASKS relation")
panic(err)
}
// Создадим node задачи.
taskProps := neo4j.Properties{
"summary": summary,
"description": description,
"type": "task",
}
taskNode, err := nodes.Create(taskProps)
if err != nil {
rev.ERROR.Fatalln("Failed to create task")
panic(err)
}
for _, taskRel := range tasksRels {
tasksNode, err := taskRel.End()
if err != nil {
rev.ERROR.Fatalf("Could not get Tasks Node")
panic(err)
}
_, err = taskNode.Relate("IS_TASK", tasksNode.Id(), neo4j.Properties{})
if err != nil {
rev.ERROR.Fatalf("Could not relate node %s to tasks node", taskNode)
panic(err)
}
}
task.Id = taskNode.Id()
return c.RenderJson(task)
}
func (c Tasks) GetTask(id int, dependencies bool) rev.Result {
neo := db.Connect("http://localhost:7474/db/data")
task, err := neo.GetTask(id, dependencies)
if err != nil {
if err == db.NotFound {
c.Response.Status = http.StatusNotFound
return c.RenderJson(errorJSON{
Code: 404,
Message: "Not found",
})
} else {
panic(err)
}
}
return c.RenderJson(task)
}
func (c Tasks) List() rev.Result {
neo := db.Connect("http://localhost:7474/db/data")
tasks := neo.GetTasksList()
return c.RenderJson(tasks)
}