fix: manage deleted databases (#51)

* fix: manage deleted databases

This commit fixes the detection of deleted database with the status
'TO_DELETE'.

* chore: add example use for a postgresql_database resource

docs/resources/postgresql.md

@@ -13,7 +13,15 @@ Manage [PostgreSQL](https://www.postgresql.org/) product.
 
 See [product specification](https://www.clever-cloud.com/postgresql-hosting/).
 
-
+## Example Usage
+
+```terraform
+resource "clevercloud_postgresql" "postgresql_database" {
+  name   = "postgresql_database"
+  plan   = "dev"
+  region = "par"
+}
+```
 
 <!-- schema generated by tfplugindocs -->
 ## Schema

examples/resources/clevercloud_postgresql/resource.tf

@@ -0,0 +1,5 @@
+resource "clevercloud_postgresql" "postgresql_database" {
+  name   = "postgresql_database"
+  plan   = "dev"
+  region = "par"
+}

pkg/resources/postgresql/resource_postgresql_crud.go

@@ -121,6 +121,12 @@ func (r *ResourcePostgreSQL) Read(ctx context.Context, req resource.ReadRequest,
 	}
 
 	addonPG := addonPGRes.Payload()
+
+	if addonPG.Status == "TO_DELETE" {
+		resp.State.RemoveResource(ctx)
+		return
+	}
+
 	tflog.Info(ctx, "STATE", map[string]interface{}{"pg": pg})
 	tflog.Info(ctx, "API", map[string]interface{}{"pg": addonPG})
 	pg.Plan = pkg.FromStr(addonPG.Plan)

pkg/resources/postgresql/resource_postgresql_test.go

@@ -72,3 +72,54 @@ func TestAccPostgreSQL_basic(t *testing.T) {
 		}},
 	})
 }
+
+func TestAccPostgreSQL_RefreshDeleted(t *testing.T) {
+	rName := fmt.Sprintf("tf-test-pg-%d", time.Now().UnixMilli())
+	//fullName := fmt.Sprintf("clevercloud_postgresql.%s", rName)
+	cc := client.New(client.WithAutoOauthConfig())
+	org := os.Getenv("ORGANISATION")
+
+	resource.Test(t, resource.TestCase{
+		PreCheck: func() {
+			if org == "" {
+				t.Fatalf("missing ORGANISATION env var")
+			}
+		},
+		ProtoV6ProviderFactories: protoV6Provider,
+		CheckDestroy: func(state *terraform.State) error {
+			for _, resource := range state.RootModule().Resources {
+				res := tmp.GetPostgreSQL(context.Background(), cc, resource.Primary.ID)
+				if res.IsNotFoundError() {
+					continue
+				}
+				if res.HasError() {
+					return fmt.Errorf("unexpectd error: %s", res.Error().Error())
+				}
+				if res.Payload().Status == "TO_DELETE" {
+					continue
+				}
+
+				return fmt.Errorf("expect resource '%s' to be deleted", resource.Primary.ID)
+			}
+			return nil
+		},
+		Steps: []resource.TestStep{
+			// create a database instance on first step
+			{
+				ResourceName: rName,
+				Config:       fmt.Sprintf(providerBlock, org) + fmt.Sprintf(postgresqlBlock, rName, rName),
+			},
+			{
+				ResourceName: rName,
+				PreConfig: func() {
+					// delete the database using an api call
+					tmp.DeleteAddon(context.Background(), cc, org, rName)
+				},
+				// refreshing state
+				RefreshState: true,
+				// plan should contain database re-creation
+				ExpectNonEmptyPlan: true,
+			},
+		},
+	})
+}