af83/edwig

package api

import (
    "encoding/json"
    "fmt"
    "net/http"
    "net/url"

    "bitbucket.org/enroute-mobi/ara/core"
    "bitbucket.org/enroute-mobi/ara/logger"
    "bitbucket.org/enroute-mobi/ara/model"
)

type SituationController struct {
    referential *core.Referential
}

func NewSituationController(referential *core.Referential) ControllerInterface {
    return &Controller{
        restfulResource: &SituationController{
            referential: referential,
        },
    }
}

func (controller *SituationController) findSituation(identifier string) (model.Situation, bool) {
    foundStrings := idPattern.FindStringSubmatch(identifier)
    if foundStrings != nil {
        code := model.NewCode(foundStrings[1], foundStrings[2])
        return controller.referential.Model().Situations().FindByCode(code)
    }
    return controller.referential.Model().Situations().Find(model.SituationId(identifier))
}

func (controller *SituationController) Index(response http.ResponseWriter, filters url.Values) {
    logger.Log.Debugf("Situations Index")

    jsonBytes, _ := json.Marshal(controller.referential.Model().Situations().FindAll())
    response.Write(jsonBytes)
}

func (controller *SituationController) Show(response http.ResponseWriter, identifier string) {
    situation, ok := controller.findSituation(identifier)
    if !ok {
        http.Error(response, fmt.Sprintf("Situation not found: %s", identifier), http.StatusNotFound)
        return
    }
    logger.Log.Debugf("Get situation %s", identifier)

    jsonBytes, _ := situation.MarshalJSON()
    response.Write(jsonBytes)
}

func (controller *SituationController) Delete(response http.ResponseWriter, identifier string) {
    situation, ok := controller.findSituation(identifier)
    if !ok {
        http.Error(response, fmt.Sprintf("Situation not found: %s", identifier), http.StatusNotFound)
        return
    }
    logger.Log.Debugf("Delete situation %s", identifier)

    jsonBytes, _ := situation.MarshalJSON()
    controller.referential.Model().Situations().Delete(&situation)
    response.Write(jsonBytes)
}

func (controller *SituationController) Update(response http.ResponseWriter, identifier string, body []byte) {
    situation, ok := controller.findSituation(identifier)
    if !ok {
        http.Error(response, fmt.Sprintf("Situation not found: %s", identifier), http.StatusNotFound)
        return
    }

    logger.Log.Debugf("Update situation %s: %s", identifier, string(body))

    err := json.Unmarshal(body, &situation)
    if err != nil {
        http.Error(response, fmt.Sprintf("Invalid request: can't parse request body: %v", err), http.StatusBadRequest)
        return
    }

    controller.referential.Model().Situations().Save(&situation)
    jsonBytes, _ := json.Marshal(&situation)
    response.Write(jsonBytes)
}

func (controller *SituationController) Create(response http.ResponseWriter, body []byte) {
    logger.Log.Debugf("Create situation: %s", string(body))

    situation := controller.referential.Model().Situations().New()

    err := json.Unmarshal(body, &situation)
    if err != nil {
        http.Error(response, fmt.Sprintf("Invalid request: can't parse request body: %v", err), http.StatusBadRequest)
        return
    }

    if situation.Id() != "" {
        http.Error(response, "Invalid request", http.StatusBadRequest)
        return
    }

    controller.referential.Model().Situations().Save(&situation)
    jsonBytes, _ := json.Marshal(&situation)
    response.Write(jsonBytes)
}