Add internal models

These internal models are introduced to reduce decoupling. The idea is to operate internal model within the project boundaries and convert to appropriate Connect or SDK models in the places where it's necessary.

pkg/onepassword/model/item.go

@@ -0,0 +1,87 @@
+package model
+
+import (
+	"time"
+
+	connect "github.com/1Password/connect-sdk-go/onepassword"
+	sdk "github.com/1password/onepassword-sdk-go"
+)
+
+// Item represents 1Password item.
+type Item struct {
+	ID        string
+	VaultID   string
+	Version   int
+	Tags      []string
+	Fields    []ItemField
+	Files     []File
+	CreatedAt time.Time
+}
+
+// FromConnectItem populates the Item from a Connect item.
+func (i *Item) FromConnectItem(item *connect.Item) {
+	i.ID = item.ID
+	i.VaultID = item.Vault.ID
+	i.Version = item.Version
+
+	for _, tag := range item.Tags {
+		i.Tags = append(i.Tags, tag)
+	}
+
+	for _, field := range item.Fields {
+		i.Fields = append(i.Fields, ItemField{
+			Label: field.Label,
+			Value: field.Value,
+		})
+	}
+
+	for _, file := range item.Files {
+		i.Files = append(i.Files, File{
+			ID:   file.ID,
+			Name: file.Name,
+			Size: file.Size,
+		})
+	}
+
+	i.CreatedAt = item.CreatedAt
+}
+
+// FromSDKItem populates the Item from an SDK item.
+func (i *Item) FromSDKItem(item *sdk.Item) {
+	i.ID = item.ID
+	i.VaultID = item.VaultID
+	i.Version = int(item.Version)
+
+	for _, tag := range item.Tags {
+		i.Tags = append(i.Tags, tag)
+	}
+
+	for _, field := range item.Fields {
+		i.Fields = append(i.Fields, ItemField{
+			Label: field.Title,
+			Value: field.Value,
+		})
+	}
+
+	for _, file := range item.Files {
+		i.Files = append(i.Files, File{
+			ID:   file.Attributes.ID,
+			Name: file.Attributes.Name,
+			Size: int(file.Attributes.Size),
+		})
+	}
+
+	i.CreatedAt = item.CreatedAt
+}
+
+// FromSDKItemOverview populates the Item from an SDK item overview.
+func (i *Item) FromSDKItemOverview(item *sdk.ItemOverview) {
+	i.ID = item.ID
+	i.VaultID = item.VaultID
+
+	for _, tag := range item.Tags {
+		i.Tags = append(i.Tags, tag)
+	}
+
+	i.CreatedAt = item.CreatedAt
+}