Add DAL interface and mock

Also add entity package with domain types.

go.mod

@@ -5,6 +5,8 @@ go 1.21.1
 require (
 	github.com/DATA-DOG/go-sqlmock v1.5.2
 	github.com/jackc/pgx/v5 v5.5.5
+	github.com/shopspring/decimal v1.4.0
+	go.uber.org/mock v0.4.0
 )
 
 require (

go.sum

@@ -58,6 +58,8 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/rogpeppe/go-internal v1.12.0 h1:exVL4IDcn6na9z1rAb56Vxr+CgyK3nn3O+epU5NdKM8=
 github.com/rogpeppe/go-internal v1.12.0/go.mod h1:E+RYuTGaKKdloAfM02xzb0FW3Paa99yedzYV+kq4uf4=
+github.com/shopspring/decimal v1.4.0 h1:bxl37RwXBklmTi0C79JfXCEBD1cqqHt0bbgBAGFp81k=
+github.com/shopspring/decimal v1.4.0/go.mod h1:gawqmDU56v4yIKSwfBSFip1HdCCXN8/+DMd9qYNcwME=
 github.com/spkg/bom v0.0.0-20160624110644-59b7046e48ad/go.mod h1:qLr4V1qq6nMqFKkMo8ZTx3f+BZEkzsRUY10Xsm2mwU0=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
@@ -70,6 +72,8 @@ github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6Kllzaw
 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
 github.com/valyala/fasttemplate v1.2.2 h1:lxLXG0uE3Qnshl9QyaK6XJxMXlQZELvChBOCmQD0Loo=
 github.com/valyala/fasttemplate v1.2.2/go.mod h1:KHLXt3tVN2HBp8eijSv/kGJopbvo7S+qRAEEKiv+SiQ=
+go.uber.org/mock v0.4.0 h1:VcM4ZOtdbR4f6VXfiOpwpVJDL6lCReaZ6mw31wqh7KU=
+go.uber.org/mock v0.4.0/go.mod h1:a6FSlNadKUHUa9IP5Vyt1zh4fC7uAwxMutEAscFbkZc=
 golang.org/x/crypto v0.22.0 h1:g1v0xeRhjcugydODzvb3mEM9SQ0HGp9s/nh3COQ/C30=
 golang.org/x/crypto v0.22.0/go.mod h1:vr6Su+7cTlO45qkww3VDJlzDn0ctJvRgYbC2NvXHt+M=
 golang.org/x/net v0.24.0 h1:1PcaxkF854Fu3+lvBIx5SYn9wRlBzzcnHZSiaFFAb0w=

internal/dal/dal.go

@@ -0,0 +1,12 @@
+package dal
+
+import "git.rosemyrtle.work/personal-finance/server/internal/entity"
+
+type DAL interface {
+	Transaction() entity.Transaction
+	Transactions() entity.Transactions
+	Bank() entity.Bank
+	Banks() entity.Banks
+}
+
+//go:generate mockgen -destination=../mock/mock_dal.gen.go -package=mock . DAL

internal/dal/dal_impl.go

@@ -0,0 +1 @@
+package dal

internal/entity/entity.go

@@ -0,0 +1,25 @@
+package entity
+
+import (
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/shopspring/decimal"
+)
+
+type Transaction struct {
+	Id          uint64
+	Date        time.Time
+	Description string
+	Value       decimal.Decimal
+}
+
+type Transactions = []Transaction
+
+type Bank struct {
+	Id         string
+	Name       string
+	NordigenId uuid.UUID
+}
+
+type Banks = []Bank

internal/mock/mock_dal.gen.go

@@ -0,0 +1,96 @@
+// Code generated by MockGen. DO NOT EDIT.
+// Source: git.rosemyrtle.work/personal-finance/server/internal/dal (interfaces: DAL)
+//
+// Generated by this command:
+//
+//	mockgen -destination=../mock/mock_dal.gen.go -package=mock . DAL
+//
+
+// Package mock is a generated GoMock package.
+package mock
+
+import (
+	reflect "reflect"
+
+	entity "git.rosemyrtle.work/personal-finance/server/internal/entity"
+	gomock "go.uber.org/mock/gomock"
+)
+
+// MockDAL is a mock of DAL interface.
+type MockDAL struct {
+	ctrl     *gomock.Controller
+	recorder *MockDALMockRecorder
+}
+
+// MockDALMockRecorder is the mock recorder for MockDAL.
+type MockDALMockRecorder struct {
+	mock *MockDAL
+}
+
+// NewMockDAL creates a new mock instance.
+func NewMockDAL(ctrl *gomock.Controller) *MockDAL {
+	mock := &MockDAL{ctrl: ctrl}
+	mock.recorder = &MockDALMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockDAL) EXPECT() *MockDALMockRecorder {
+	return m.recorder
+}
+
+// Bank mocks base method.
+func (m *MockDAL) Bank() entity.Bank {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Bank")
+	ret0, _ := ret[0].(entity.Bank)
+	return ret0
+}
+
+// Bank indicates an expected call of Bank.
+func (mr *MockDALMockRecorder) Bank() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Bank", reflect.TypeOf((*MockDAL)(nil).Bank))
+}
+
+// Banks mocks base method.
+func (m *MockDAL) Banks() []entity.Bank {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Banks")
+	ret0, _ := ret[0].([]entity.Bank)
+	return ret0
+}
+
+// Banks indicates an expected call of Banks.
+func (mr *MockDALMockRecorder) Banks() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Banks", reflect.TypeOf((*MockDAL)(nil).Banks))
+}
+
+// Transaction mocks base method.
+func (m *MockDAL) Transaction() entity.Transaction {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Transaction")
+	ret0, _ := ret[0].(entity.Transaction)
+	return ret0
+}
+
+// Transaction indicates an expected call of Transaction.
+func (mr *MockDALMockRecorder) Transaction() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Transaction", reflect.TypeOf((*MockDAL)(nil).Transaction))
+}
+
+// Transactions mocks base method.
+func (m *MockDAL) Transactions() []entity.Transaction {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Transactions")
+	ret0, _ := ret[0].([]entity.Transaction)
+	return ret0
+}
+
+// Transactions indicates an expected call of Transactions.
+func (mr *MockDALMockRecorder) Transactions() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Transactions", reflect.TypeOf((*MockDAL)(nil).Transactions))
+}