forked from fabric8-services/fabric8-wit
/
workitem.go
188 lines (166 loc) · 4.8 KB
/
workitem.go
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package main
import (
"log"
"strconv"
"github.com/goadesign/goa"
"github.com/jinzhu/gorm"
"github.com/almighty/almighty-core/app"
"github.com/almighty/almighty-core/models"
)
// WorkitemController implements the workitem resource.
type WorkitemController struct {
*goa.Controller
db *gorm.DB
}
// NewWorkitemController creates a workitem controller.
func NewWorkitemController(service *goa.Service, db *gorm.DB) *WorkitemController {
ctrl := WorkitemController{Controller: service.NewController("WorkitemController"), db: db}
if ctrl.db == nil {
panic("nil db")
}
return &ctrl
}
// Show runs the show action.
func (c *WorkitemController) Show(ctx *app.ShowWorkitemContext) error {
res := models.WorkItem{}
id, err := strconv.ParseUint(ctx.ID, 10, 64)
if err != nil {
return ctx.BadRequest(goa.ErrBadRequest("Could not parse id: %s", err.Error()))
}
log.Printf("looking for id %d", id)
if c.db.First(&res, id).RecordNotFound() {
log.Printf("not found, res=%v", res)
return ctx.NotFound()
}
wiType, err := loadTypeFromDB(res.Type)
if err != nil {
return ctx.BadRequest(goa.ErrBadRequest(err.Error()))
}
result, err := convertFromModel(*wiType, res)
if err != nil {
ctx.InternalServerError()
}
return ctx.OK(result)
}
func convertFromModel(wiType models.WorkItemType, workItem models.WorkItem) (*app.WorkItem, error) {
result := app.WorkItem{
ID: strconv.FormatUint(workItem.ID, 10),
Name: workItem.Name,
Type: workItem.Type,
Version: workItem.Version,
Fields: map[string]interface{}{}}
for name, field := range wiType.Fields {
var err error
result.Fields[name], err = field.ConvertFromModel(name, workItem.Fields[name])
if err != nil {
return nil, err
}
}
return &result, nil
}
// Create runs the create action.
func (c *WorkitemController) Create(ctx *app.CreateWorkitemContext) error {
wiType, err := loadTypeFromDB(ctx.Payload.Type)
if err != nil {
return ctx.BadRequest(goa.ErrBadRequest(err.Error()))
}
wi := models.WorkItem{
Name: ctx.Payload.Name,
Type: ctx.Payload.Type,
Fields: models.Fields{},
}
for fieldName, fieldDef := range wiType.Fields {
fieldValue := ctx.Payload.Fields[fieldName]
var err error
wi.Fields[fieldName], err = fieldDef.ConvertToModel(fieldName, fieldValue)
if err != nil {
return ctx.BadRequest(goa.ErrBadRequest("Could not parse id: %s", err.Error()))
}
}
tx := c.db.Begin()
if tx.Create(&wi).Error != nil {
tx.Rollback()
return ctx.InternalServerError()
}
log.Printf("created item %v\n", wi)
result, err := convertFromModel(*wiType, wi)
if err != nil {
tx.Rollback()
return ctx.InternalServerError()
}
tx.Commit()
return ctx.OK(result)
}
// Delete runs the delete action.
func (c *WorkitemController) Delete(ctx *app.DeleteWorkitemContext) error {
var workItem models.WorkItem = models.WorkItem{}
id, err := strconv.ParseUint(ctx.ID, 10, 64)
if err != nil {
return ctx.BadRequest(goa.ErrBadRequest("Could not parse id: %s", err.Error()))
}
tx := c.db.Begin()
if tx.First(&workItem, id).RecordNotFound() {
log.Print("not found, res=%v", workItem)
tx.Rollback()
return ctx.NotFound()
}
if tx.Delete(workItem).Error != nil {
tx.Rollback()
return ctx.InternalServerError()
}
tx.Commit()
return ctx.OK([]byte{})
}
// Update runs the update action.
func (c *WorkitemController) Update(ctx *app.UpdateWorkitemContext) error {
res := models.WorkItem{}
id, err := strconv.ParseUint(ctx.Payload.ID, 10, 64)
if err != nil {
return ctx.BadRequest(goa.ErrBadRequest("Could not parse id: %s", err.Error()))
}
log.Printf("looking for id %d", id)
tx := c.db.Begin()
if tx.First(&res, id).RecordNotFound() {
tx.Rollback()
log.Printf("not found, res=%v", res)
return ctx.NotFound()
}
if res.Version != ctx.Payload.Version {
tx.Rollback()
return ctx.BadRequest(goa.ErrBadRequest("version conflict: expected %d but got %d", res.Version, ctx.Payload.Version))
}
wiType, err := loadTypeFromDB(ctx.Payload.Type)
if err != nil {
tx.Rollback()
return ctx.BadRequest(goa.ErrBadRequest(err.Error()))
}
wi := models.WorkItem{
ID: id,
Name: ctx.Payload.Name,
Type: ctx.Payload.Type,
Version: ctx.Payload.Version + 1,
Fields: models.Fields{},
}
for fieldName, fieldDef := range wiType.Fields {
fieldValue := ctx.Payload.Fields[fieldName]
var err error
wi.Fields[fieldName], err = fieldDef.ConvertToModel(fieldName, fieldValue)
if err != nil {
tx.Rollback()
return ctx.BadRequest(goa.ErrBadRequest("Could not convert field %s: %s", fieldName, err.Error()))
}
}
if err := tx.Save(&wi).Error; err != nil {
tx.Rollback()
log.Print(err.Error())
return ctx.InternalServerError()
}
log.Printf("updated item to %v\n", wi)
result, err := convertFromModel(*wiType, wi)
if err != nil {
tx.Rollback()
return ctx.InternalServerError()
}
tx.Commit()
return ctx.OK(result)
}