Create a unit type

api/handler.go

@@ -60,6 +60,7 @@ func Handler() *mux.Router {
 	m.Get(router.DeleteTextMeasurementType).Handler(handler(serveDeleteTextMeasurementType))
 
 	m.Get(router.UnitType).Handler(handler(serveUnitType))
+	m.Get(router.CreateUnitType).Handler(handler(serveCreateUnitType))
 
 	return m
 }

api/unit_types.go

@@ -1,10 +1,12 @@
 package api
 
 import (
+	"encoding/json"
 	"net/http"
 	"strconv"
 
 	"github.com/gorilla/mux"
+	"github.com/thermokarst/bactdb/models"
 )
 
 func serveUnitType(w http.ResponseWriter, r *http.Request) error {
@@ -20,3 +22,21 @@ func serveUnitType(w http.ResponseWriter, r *http.Request) error {
 
 	return writeJSON(w, unit_type)
 }
+
+func serveCreateUnitType(w http.ResponseWriter, r *http.Request) error {
+	var unit_type models.UnitType
+	err := json.NewDecoder(r.Body).Decode(&unit_type)
+	if err != nil {
+		return err
+	}
+
+	created, err := store.UnitTypes.Create(&unit_type)
+	if err != nil {
+		return err
+	}
+	if created {
+		w.WriteHeader(http.StatusCreated)
+	}
+
+	return writeJSON(w, unit_type)
+}

api/unit_types_test.go

@@ -38,3 +38,30 @@ func TestUnitType_Get(t *testing.T) {
 		t.Errorf("got %+v but wanted %+v", got, want)
 	}
 }
+
+func TestUnitType_Create(t *testing.T) {
+	setup()
+
+	want := newUnitType()
+
+	calledPost := false
+	store.UnitTypes.(*models.MockUnitTypesService).Create_ = func(unit_type *models.UnitType) (bool, error) {
+		if !normalizeDeepEqual(want, unit_type) {
+			t.Errorf("wanted request for unit_type %d but got %d", want, unit_type)
+		}
+		calledPost = true
+		return true, nil
+	}
+
+	success, err := apiClient.UnitTypes.Create(want)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if !calledPost {
+		t.Error("!calledPost")
+	}
+	if !success {
+		t.Error("!success")
+	}
+}

datastore/unit_types.go

@@ -1,6 +1,10 @@
 package datastore
 
-import "github.com/thermokarst/bactdb/models"
+import (
+	"time"
+
+	"github.com/thermokarst/bactdb/models"
+)
 
 func init() {
 	DB.AddTableWithName(models.UnitType{}, "unit_types").SetKeys(true, "Id")
@@ -20,3 +24,13 @@ func (s *unitTypesStore) Get(id int64) (*models.UnitType, error) {
 	}
 	return unit_type[0], nil
 }
+
+func (s *unitTypesStore) Create(unit_type *models.UnitType) (bool, error) {
+	currentTime := time.Now()
+	unit_type.CreatedAt = currentTime
+	unit_type.UpdatedAt = currentTime
+	if err := s.dbh.Insert(unit_type); err != nil {
+		return false, err
+	}
+	return true, nil
+}

datastore/unit_types_test.go

@@ -42,3 +42,23 @@ func TestUnitTypesStore_Get_db(t *testing.T) {
 		t.Errorf("got unit_type %+v, want %+v", unit_type, want)
 	}
 }
+
+func TestUnitTypesStore_Create_db(t *testing.T) {
+	tx, _ := DB.Begin()
+	defer tx.Rollback()
+
+	unit_type := newUnitType(t, tx)
+
+	d := NewDatastore(tx)
+
+	created, err := d.UnitTypes.Create(unit_type)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !created {
+		t.Error("!created")
+	}
+	if unit_type.Id == 0 {
+		t.Error("want nonzero unit_type.Id after submitting")
+	}
+}

models/unit_types.go

@@ -2,6 +2,7 @@ package models
 
 import (
 	"errors"
+	"net/http"
 	"strconv"
 	"time"
 
@@ -11,7 +12,7 @@ import (
 
 // A UnitType is a lookup type
 type UnitType struct {
-	Id        int64       `json:id,omitempty"`
+	Id        int64       `json:"id,omitempty"`
 	Name      string      `db:"name" json:"name"`
 	Symbol    string      `db:"symbol" json:"symbol"`
 	CreatedAt time.Time   `db:"created_at" json:"createdAt"`
@@ -29,6 +30,9 @@ func NewUnitType() *UnitType {
 type UnitTypesService interface {
 	// Get a unit type
 	Get(id int64) (*UnitType, error)
+
+	// Create a unit type
+	Create(unit_type *UnitType) (bool, error)
 }
 
 var (
@@ -61,8 +65,28 @@ func (s *unitTypesService) Get(id int64) (*UnitType, error) {
 	return unit_type, nil
 }
 
+func (s *unitTypesService) Create(unit_type *UnitType) (bool, error) {
+	url, err := s.client.url(router.CreateUnitType, nil, nil)
+	if err != nil {
+		return false, err
+	}
+
+	req, err := s.client.NewRequest("POST", url.String(), unit_type)
+	if err != nil {
+		return false, err
+	}
+
+	resp, err := s.client.Do(req, &unit_type)
+	if err != nil {
+		return false, err
+	}
+
+	return resp.StatusCode == http.StatusCreated, nil
+}
+
 type MockUnitTypesService struct {
 	Get_    func(id int64) (*UnitType, error)
+	Create_ func(unit_type *UnitType) (bool, error)
 }
 
 var _ UnitTypesService = &MockUnitTypesService{}
@@ -73,3 +97,10 @@ func (s *MockUnitTypesService) Get(id int64) (*UnitType, error) {
 	}
 	return s.Get_(id)
 }
+
+func (s *MockUnitTypesService) Create(unit_type *UnitType) (bool, error) {
+	if s.Create_ == nil {
+		return false, nil
+	}
+	return s.Create_(unit_type)
+}

models/unit_types_test.go

@@ -43,3 +43,39 @@ func TestUnitTypeService_Get(t *testing.T) {
 		t.Errorf("UnitTypes.Get return %+v, want %+v", unit_type, want)
 	}
 }
+
+func TestUnitTypeService_Create(t *testing.T) {
+	setup()
+	defer teardown()
+
+	want := newUnitType()
+
+	var called bool
+	mux.HandleFunc(urlPath(t, router.CreateUnitType, nil), func(w http.ResponseWriter, r *http.Request) {
+		called = true
+		testMethod(t, r, "POST")
+		testBody(t, r, `{"id":1,"name":"Test Unit Type","symbol":"x","createdAt":"0001-01-01T00:00:00Z","updatedAt":"0001-01-01T00:00:00Z","deletedAt":{"Time":"0001-01-01T00:00:00Z","Valid":false}}`+"\n")
+
+		w.WriteHeader(http.StatusCreated)
+		writeJSON(w, want)
+	})
+
+	unit_type := newUnitType()
+	created, err := client.UnitTypes.Create(unit_type)
+	if err != nil {
+		t.Errorf("UnitTypes.Create returned error: %v", err)
+	}
+
+	if !created {
+		t.Error("!created")
+	}
+
+	if !called {
+		t.Fatal("!called")
+	}
+
+	normalizeTime(&want.CreatedAt, &want.UpdatedAt, &want.DeletedAt)
+	if !reflect.DeepEqual(unit_type, want) {
+		t.Errorf("UnitTypes.Create returned %+v, want %+v", unit_type, want)
+	}
+}

router/api.go

@@ -53,6 +53,7 @@ func API() *mux.Router {
 	m.Path("/text_measurement_types/{Id:.+}").Methods("DELETE").Name(DeleteTextMeasurementType)
 
 	// UnitTypes
+	m.Path("/unit_types/").Methods("POST").Name(CreateUnitType)
 	m.Path("/unit_types/{Id:.+}").Methods("GET").Name(UnitType)
 
 	return m

router/routes.go

@@ -42,4 +42,5 @@ const (
 	DeleteTextMeasurementType = "text_measurement_type:delete"
 
 	UnitType       = "unit_type:get"
+	CreateUnitType = "unit_type:create"
 )