source, targetDate 그룹에서 최신만 선택

- 조회 시, 과거 데이터 무시
- 저장 자체를 최신 데이터만 해도 되긴하는데, 디버깅 용도 혹은 다른 방법으로 쓰일 걸 염두에 두고, 그냥 냅둔다.

Makefile

@@ -32,6 +32,7 @@ validate: fix test
 .PHONY: generate
 generate:
 	make -C api generate
+	go generate ./...
 
 .PHONY: cover
 cover:

go.mod

@@ -10,6 +10,7 @@ require (
 	github.com/oapi-codegen/runtime v1.1.2
 	github.com/oklog/ulid/v2 v2.1.1
 	github.com/stretchr/testify v1.11.1
+	go.uber.org/mock v0.6.0
 	gorm.io/driver/postgres v1.6.0
 	gorm.io/gorm v1.31.1
 	resty.dev/v3 v3.0.0-beta.4
@@ -32,10 +33,14 @@ require (
 	github.com/nats-io/nuid v1.0.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/robfig/cron/v3 v3.0.1 // indirect
-	golang.org/x/crypto v0.45.0 // indirect
+	golang.org/x/crypto v0.46.0 // indirect
-	golang.org/x/net v0.47.0 // indirect
+	golang.org/x/mod v0.30.0 // indirect
+	golang.org/x/net v0.48.0 // indirect
 	golang.org/x/sync v0.19.0 // indirect
 	golang.org/x/sys v0.39.0 // indirect
-	golang.org/x/text v0.31.0 // indirect
+	golang.org/x/text v0.32.0 // indirect
+	golang.org/x/tools v0.39.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
+
+tool go.uber.org/mock/mockgen

go.sum

@@ -10,6 +10,8 @@ github.com/go-chi/chi/v5 v5.2.3 h1:WQIt9uxdsAbgIYgid+BpYc+liqQZGMHRaUwp0JUcvdE=
 github.com/go-chi/chi/v5 v5.2.3/go.mod h1:L2yAIGWB3H+phAw1NxKwWM+7eUH/lU8pOMm5hHcoops=
 github.com/go-co-op/gocron/v2 v2.18.2 h1:+5VU41FUXPWSPKLXZQ/77SGzUiPCcakU0v7ENc2H20Q=
 github.com/go-co-op/gocron/v2 v2.18.2/go.mod h1:Zii6he+Zfgy5W9B+JKk/KwejFOW0kZTFvHtwIpR4aBI=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/jackc/pgpassfile v1.0.0 h1:/6Hmqy13Ss2zCq62VdNG8tM1wchn8zjSGOBJ6icpsIM=
@@ -61,16 +63,22 @@ github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu
 github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
-golang.org/x/crypto v0.45.0 h1:jMBrvKuj23MTlT0bQEOBcAE0mjg8mK9RXFhRH6nyF3Q=
+go.uber.org/mock v0.6.0 h1:hyF9dfmbgIX5EfOdasqLsWD6xqpNZlXblLB/Dbnwv3Y=
-golang.org/x/crypto v0.45.0/go.mod h1:XTGrrkGJve7CYK7J8PEww4aY7gM3qMCElcJQ8n8JdX4=
+go.uber.org/mock v0.6.0/go.mod h1:KiVJ4BqZJaMj4svdfmHM0AUx4NJYO8ZNpPnZn1Z+BBU=
-golang.org/x/net v0.47.0 h1:Mx+4dIFzqraBXUugkia1OOvlD6LemFo1ALMHjrXDOhY=
+golang.org/x/crypto v0.46.0 h1:cKRW/pmt1pKAfetfu+RCEvjvZkA9RimPbh7bhFjGVBU=
-golang.org/x/net v0.47.0/go.mod h1:/jNxtkgq5yWUGYkaZGqo27cfGZ1c5Nen03aYrrKpVRU=
+golang.org/x/crypto v0.46.0/go.mod h1:Evb/oLKmMraqjZ2iQTwDwvCtJkczlDuTmdJXoZVzqU0=
+golang.org/x/mod v0.30.0 h1:fDEXFVZ/fmCKProc/yAXXUijritrDzahmwwefnjoPFk=
+golang.org/x/mod v0.30.0/go.mod h1:lAsf5O2EvJeSFMiBxXDki7sCgAxEUcZHXoXMKT4GJKc=
+golang.org/x/net v0.48.0 h1:zyQRTTrjc33Lhh0fBgT/H3oZq9WuvRR5gPC70xpDiQU=
+golang.org/x/net v0.48.0/go.mod h1:+ndRgGjkh8FGtu1w1FGbEC31if4VrNVMuKTgcAAnQRY=
 golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=
 golang.org/x/sync v0.19.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
 golang.org/x/sys v0.39.0 h1:CvCKL8MeisomCi6qNZ+wbb0DN9E5AATixKsvNtMoMFk=
 golang.org/x/sys v0.39.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
-golang.org/x/text v0.31.0 h1:aC8ghyu4JhP8VojJ2lEHBnochRno1sgL6nEi9WGFGMM=
+golang.org/x/text v0.32.0 h1:ZD01bjUt1FQ9WJ0ClOL5vxgxOI/sVCNgX1YtKwcY0mU=
-golang.org/x/text v0.31.0/go.mod h1:tKRAlv61yKIjGGHX/4tP1LTbc13YSec1pxVEWXzfoeM=
+golang.org/x/text v0.32.0/go.mod h1:o/rUWzghvpD5TXrTIBuJU77MTaN0ljMWE47kxGJQ7jY=
+golang.org/x/tools v0.39.0 h1:ik4ho21kwuQln40uelmciQPp9SipgNDdrafrYA4TmQQ=
+golang.org/x/tools v0.39.0/go.mod h1:JnefbkDPyD8UU2kI5fuf8ZX4/yUeh9W877ZeBONxUqQ=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=

internal/app/flow/flow.go

@@ -90,12 +90,41 @@ func (*Flow) mergeWeathers(dateKey string, location *time.Location, weathers []*
 	date, _ := time.Parse("2006-01-02", dateKey)
 	date = time.Date(date.Year(), date.Month(), date.Day(), 0, 0, 0, 0, location)
 
-	high := float64(weathers[0].Temperature().Value)
+	// Source와 TargetDate가 동일한 경우, ForecastDate가 최신 항목만 선택
-	low := float64(weathers[0].Temperature().Value)
+	filteredWeathers := make(map[string]*domain.Weather)
-	worstCondition := weathers[0].Condition()
 
-	for _, w := range weathers {
+	for _, weather := range weathers {
-		temp := float64(w.Temperature().Value)
+		key := string(weather.Source()) + weather.TargetDate().Format("2006-01-02")
+
+		existing, ok := filteredWeathers[key]
+		if !ok {
+			filteredWeathers[key] = weather
+
+			continue
+		}
+
+		if weather.ForecastDate().Before(existing.ForecastDate()) {
+			continue
+		}
+
+		filteredWeathers[key] = weather
+	}
+
+	var filteredSlice []*domain.Weather
+	for _, weather := range filteredWeathers {
+		filteredSlice = append(filteredSlice, weather)
+	}
+
+	if len(filteredSlice) == 0 {
+		panic("no weather found")
+	}
+
+	high := float64(filteredSlice[0].Temperature().Value)
+	low := float64(filteredSlice[0].Temperature().Value)
+	worstCondition := filteredSlice[0].Condition()
+
+	for _, weather := range filteredSlice {
+		temp := float64(weather.Temperature().Value)
 		if temp > high {
 			high = temp
 		}
@@ -104,19 +133,17 @@ func (*Flow) mergeWeathers(dateKey string, location *time.Location, weathers []*
 			low = temp
 		}
 
-		if w.Condition().IsWorseThan(worstCondition) {
+		if weather.Condition().IsWorseThan(worstCondition) {
-			worstCondition = w.Condition()
+			worstCondition = weather.Condition()
 		}
 	}
 
-	newVar := &DailyWeather{
+	return &DailyWeather{
 		Date:      date,
 		High:      high,
 		Low:       low,
 		Condition: string(worstCondition),
 	}
-
-	return newVar
 }
 
 func (*Flow) groupByDate(weathers []*domain.Weather, location *time.Location) map[string][]*domain.Weather {

internal/app/flow/flow_test.go

@@ -0,0 +1,111 @@
+//nolint:dupl
+package flow_test
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	"github.com/neatflowcv/seven-skies/internal/app/flow"
+	"github.com/neatflowcv/seven-skies/internal/pkg/domain"
+	"github.com/neatflowcv/seven-skies/internal/pkg/repository/mocks"
+	"github.com/stretchr/testify/require"
+	"go.uber.org/mock/gomock"
+)
+
+func TestFlow_ListDailyWeathers(t *testing.T) {
+	t.Parallel()
+
+	ctrl := gomock.NewController(t)
+	mock := mocks.NewMockRepository(ctrl)
+	now := time.Now()
+	mock.EXPECT().ListWeathers(gomock.Any(), gomock.Any(), gomock.Any()).Return([]*domain.Weather{
+		domain.NewWeather(
+			"1",
+			domain.WeatherSourceOpenWeather,
+			now,
+			now.Add(time.Hour*24),
+			domain.WeatherConditionClear,
+			domain.Temperature{Value: domain.Celsius(20)},
+		),
+	}, nil)
+	flow := flow.NewFlow(mock)
+
+	weathers, err := flow.ListDailyWeathers(context.Background(), "Asia/Seoul", now)
+
+	require.NoError(t, err)
+	require.Len(t, weathers, 1)
+	require.InDelta(t, 20.0, weathers[0].High, 0.01)
+	require.InDelta(t, 20.0, weathers[0].Low, 0.01)
+	require.Equal(t, "CLEAR", weathers[0].Condition)
+}
+
+func TestFlow_ListDailyWeathers_SameSourceAndTargetDate(t *testing.T) {
+	t.Parallel()
+
+	ctrl := gomock.NewController(t)
+	mock := mocks.NewMockRepository(ctrl)
+	now := time.Now()
+	mock.EXPECT().ListWeathers(gomock.Any(), gomock.Any(), gomock.Any()).Return([]*domain.Weather{
+		domain.NewWeather(
+			"1",
+			domain.WeatherSourceOpenWeather,
+			now,
+			now,
+			domain.WeatherConditionClear,
+			domain.Temperature{Value: domain.Celsius(20)},
+		),
+		domain.NewWeather(
+			"2",
+			domain.WeatherSourceOpenWeather,
+			now,
+			now.Add(time.Hour*24),
+			domain.WeatherConditionCloudy,
+			domain.Temperature{Value: domain.Celsius(30)},
+		),
+	}, nil)
+	flow := flow.NewFlow(mock)
+
+	weathers, err := flow.ListDailyWeathers(context.Background(), "Asia/Seoul", time.Now())
+
+	require.NoError(t, err)
+	require.Len(t, weathers, 1)
+	require.InDelta(t, 30.0, weathers[0].High, 0.01)
+	require.InDelta(t, 30.0, weathers[0].Low, 0.01)
+	require.Equal(t, "CLOUDY", weathers[0].Condition)
+}
+
+func TestFlow_ListDailyWeathers_DifferentSourceAndTargetDate(t *testing.T) {
+	t.Parallel()
+
+	ctrl := gomock.NewController(t)
+	mock := mocks.NewMockRepository(ctrl)
+	now := time.Now()
+	mock.EXPECT().ListWeathers(gomock.Any(), gomock.Any(), gomock.Any()).Return([]*domain.Weather{
+		domain.NewWeather(
+			"1",
+			domain.WeatherSourceOpenWeather,
+			now,
+			now,
+			domain.WeatherConditionClear,
+			domain.Temperature{Value: domain.Celsius(20)},
+		),
+		domain.NewWeather(
+			"2",
+			domain.WeatherSourceKMA,
+			now,
+			now.Add(time.Hour*24),
+			domain.WeatherConditionCloudy,
+			domain.Temperature{Value: domain.Celsius(30)},
+		),
+	}, nil)
+	flow := flow.NewFlow(mock)
+
+	weathers, err := flow.ListDailyWeathers(context.Background(), "Asia/Seoul", time.Now())
+
+	require.NoError(t, err)
+	require.Len(t, weathers, 1)
+	require.InDelta(t, 30.0, weathers[0].High, 0.01)
+	require.InDelta(t, 20.0, weathers[0].Low, 0.01)
+	require.Equal(t, "CLOUDY", weathers[0].Condition)
+}

internal/pkg/repository/mocks/repository.go

@@ -0,0 +1,120 @@
+// Code generated by MockGen. DO NOT EDIT.
+// Source: github.com/neatflowcv/seven-skies/internal/pkg/repository (interfaces: Repository)
+//
+// Generated by this command:
+//
+//	mockgen -typed -package=mocks -destination=mocks/repository.go . Repository
+//
+
+// Package mocks is a generated GoMock package.
+package mocks
+
+import (
+	context "context"
+	reflect "reflect"
+	time "time"
+
+	domain "github.com/neatflowcv/seven-skies/internal/pkg/domain"
+	gomock "go.uber.org/mock/gomock"
+)
+
+// MockRepository is a mock of Repository interface.
+type MockRepository struct {
+	ctrl     *gomock.Controller
+	recorder *MockRepositoryMockRecorder
+	isgomock struct{}
+}
+
+// MockRepositoryMockRecorder is the mock recorder for MockRepository.
+type MockRepositoryMockRecorder struct {
+	mock *MockRepository
+}
+
+// NewMockRepository creates a new mock instance.
+func NewMockRepository(ctrl *gomock.Controller) *MockRepository {
+	mock := &MockRepository{ctrl: ctrl}
+	mock.recorder = &MockRepositoryMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockRepository) EXPECT() *MockRepositoryMockRecorder {
+	return m.recorder
+}
+
+// CreateWeather mocks base method.
+func (m *MockRepository) CreateWeather(ctx context.Context, weather *domain.Weather) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "CreateWeather", ctx, weather)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// CreateWeather indicates an expected call of CreateWeather.
+func (mr *MockRepositoryMockRecorder) CreateWeather(ctx, weather any) *MockRepositoryCreateWeatherCall {
+	mr.mock.ctrl.T.Helper()
+	call := mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateWeather", reflect.TypeOf((*MockRepository)(nil).CreateWeather), ctx, weather)
+	return &MockRepositoryCreateWeatherCall{Call: call}
+}
+
+// MockRepositoryCreateWeatherCall wrap *gomock.Call
+type MockRepositoryCreateWeatherCall struct {
+	*gomock.Call
+}
+
+// Return rewrite *gomock.Call.Return
+func (c *MockRepositoryCreateWeatherCall) Return(arg0 error) *MockRepositoryCreateWeatherCall {
+	c.Call = c.Call.Return(arg0)
+	return c
+}
+
+// Do rewrite *gomock.Call.Do
+func (c *MockRepositoryCreateWeatherCall) Do(f func(context.Context, *domain.Weather) error) *MockRepositoryCreateWeatherCall {
+	c.Call = c.Call.Do(f)
+	return c
+}
+
+// DoAndReturn rewrite *gomock.Call.DoAndReturn
+func (c *MockRepositoryCreateWeatherCall) DoAndReturn(f func(context.Context, *domain.Weather) error) *MockRepositoryCreateWeatherCall {
+	c.Call = c.Call.DoAndReturn(f)
+	return c
+}
+
+// ListWeathers mocks base method.
+func (m *MockRepository) ListWeathers(ctx context.Context, from, to time.Time) ([]*domain.Weather, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "ListWeathers", ctx, from, to)
+	ret0, _ := ret[0].([]*domain.Weather)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// ListWeathers indicates an expected call of ListWeathers.
+func (mr *MockRepositoryMockRecorder) ListWeathers(ctx, from, to any) *MockRepositoryListWeathersCall {
+	mr.mock.ctrl.T.Helper()
+	call := mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListWeathers", reflect.TypeOf((*MockRepository)(nil).ListWeathers), ctx, from, to)
+	return &MockRepositoryListWeathersCall{Call: call}
+}
+
+// MockRepositoryListWeathersCall wrap *gomock.Call
+type MockRepositoryListWeathersCall struct {
+	*gomock.Call
+}
+
+// Return rewrite *gomock.Call.Return
+func (c *MockRepositoryListWeathersCall) Return(arg0 []*domain.Weather, arg1 error) *MockRepositoryListWeathersCall {
+	c.Call = c.Call.Return(arg0, arg1)
+	return c
+}
+
+// Do rewrite *gomock.Call.Do
+func (c *MockRepositoryListWeathersCall) Do(f func(context.Context, time.Time, time.Time) ([]*domain.Weather, error)) *MockRepositoryListWeathersCall {
+	c.Call = c.Call.Do(f)
+	return c
+}
+
+// DoAndReturn rewrite *gomock.Call.DoAndReturn
+func (c *MockRepositoryListWeathersCall) DoAndReturn(f func(context.Context, time.Time, time.Time) ([]*domain.Weather, error)) *MockRepositoryListWeathersCall {
+	c.Call = c.Call.DoAndReturn(f)
+	return c
+}

internal/pkg/repository/repository.go

@@ -7,6 +7,8 @@ import (
 	"github.com/neatflowcv/seven-skies/internal/pkg/domain"
 )
 
+//go:generate mockgen -typed -package=mocks -destination=mocks/repository.go . Repository
+
 type Repository interface {
 	CreateWeather(ctx context.Context, weather *domain.Weather) error
 	ListWeathers(ctx context.Context, from, to time.Time) ([]*domain.Weather, error)