feat: Add database object models and repositories for Activity, Company, Customer, Project, TimeEntry, and User with GORM integration

backend/internal/infrastructure/persistence/db/dbo/activity_dbo.go

@@ -0,0 +1,18 @@
+package dbo
+
+import (
+	"time"
+
+	"github.com/oklog/ulid/v2"
+	"gorm.io/gorm"
+)
+
+type ActivityDBO struct {
+	gorm.Model
+	ID           ulid.ULID `gorm:"primaryKey;type:uuid"`
+	CreatedAt    time.Time `gorm:"not null"`
+	UpdatedAt    time.Time `gorm:"not null"`
+	LastEditorID ulid.ULID
+	Name         string  `gorm:"type:varchar(255);not null"`
+	BillingRate  float64 `gorm:"type:decimal(10,2)"`
+}

backend/internal/infrastructure/persistence/db/dbo/company_dbo.go

@@ -0,0 +1,17 @@
+package dbo
+
+import (
+	"time"
+
+	"github.com/oklog/ulid/v2"
+	"gorm.io/gorm"
+)
+
+type CompanyDBO struct {
+	gorm.Model
+	ID           ulid.ULID `gorm:"primaryKey;type:uuid"`
+	CreatedAt    time.Time `gorm:"not null"`
+	UpdatedAt    time.Time `gorm:"not null"`
+	LastEditorID ulid.ULID
+	Name         string `gorm:"type:varchar(255);not null"`
+}

backend/internal/infrastructure/persistence/db/dbo/customer_dbo.go

@@ -0,0 +1,18 @@
+package dbo
+
+import (
+	"time"
+
+	"github.com/oklog/ulid/v2"
+	"gorm.io/gorm"
+)
+
+type CustomerDBO struct {
+	gorm.Model
+	ID           ulid.ULID `gorm:"primaryKey;type:uuid"`
+	CreatedAt    time.Time `gorm:"not null"`
+	UpdatedAt    time.Time `gorm:"not null"`
+	LastEditorID ulid.ULID
+	Name         string `gorm:"type:varchar(255);not null"`
+	CompanyID    int
+}

backend/internal/infrastructure/persistence/db/dbo/project_dbo.go

@@ -0,0 +1,18 @@
+package dbo
+
+import (
+	"time"
+
+	"github.com/oklog/ulid/v2"
+	"gorm.io/gorm"
+)
+
+type ProjectDBO struct {
+	gorm.Model
+	ID           ulid.ULID `gorm:"primaryKey;type:uuid"`
+	CreatedAt    time.Time `gorm:"not null"`
+	UpdatedAt    time.Time `gorm:"not null"`
+	LastEditorID ulid.ULID
+	Name         string `gorm:"type:varchar(255);not null"`
+	CustomerID   int
+}

backend/internal/infrastructure/persistence/db/dbo/timeentry_dbo.go

@@ -0,0 +1,23 @@
+package dbo
+
+import (
+	"time"
+
+	"github.com/oklog/ulid/v2"
+	"gorm.io/gorm"
+)
+
+type TimeEntryDBO struct {
+	gorm.Model
+	ID           ulid.ULID `gorm:"primaryKey;type:uuid"`
+	CreatedAt    time.Time `gorm:"not null"`
+	UpdatedAt    time.Time `gorm:"not null"`
+	LastEditorID ulid.ULID
+	UserID       int
+	ProjectID    int
+	ActivityID   int
+	Start        time.Time
+	End          time.Time
+	Description  string
+	Billable     int // Percentage (0-100)
+}

backend/internal/infrastructure/persistence/db/dbo/user_dbo.go

@@ -0,0 +1,21 @@
+package dbo
+
+import (
+	"time"
+
+	"github.com/oklog/ulid/v2"
+	"gorm.io/gorm"
+)
+
+type UserDBO struct {
+	gorm.Model
+	ID           ulid.ULID `gorm:"primaryKey;type:uuid"`
+	CreatedAt    time.Time `gorm:"not null"`
+	UpdatedAt    time.Time `gorm:"not null"`
+	LastEditorID ulid.ULID
+	Username     string
+	Password     string
+	Role         string
+	CompanyID    int
+	HourlyRate   float64
+}