chore: add template_with_user view to include user contextual data (#8568)

* chore: Refactor template sql queries to use new view
* TemplateWithUser -> Template
* Add unit test to enforce good view

coderd/database/models_test.go

@@ -0,0 +1,46 @@
+package database_test
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/coder/coder/coderd/database"
+)
+
+// TestViewSubsetTemplate ensures TemplateTable is a subset of Template
+func TestViewSubsetTemplate(t *testing.T) {
+	t.Parallel()
+	table := reflect.TypeOf(database.TemplateTable{})
+	joined := reflect.TypeOf(database.Template{})
+
+	tableFields := allFields(table)
+	joinedFields := allFields(joined)
+	if !assert.Subset(t, fieldNames(joinedFields), fieldNames(tableFields), "table is not subset") {
+		t.Log("Some fields were added to the Template Table without updating the 'template_with_users' view.")
+		t.Log("See migration 000138_join_users_up.sql to create the view.")
+	}
+}
+
+func fieldNames(fields []reflect.StructField) []string {
+	names := make([]string, len(fields))
+	for i, field := range fields {
+		names[i] = field.Name
+	}
+	return names
+}
+
+func allFields(rt reflect.Type) []reflect.StructField {
+	fields := make([]reflect.StructField, 0, rt.NumField())
+	for i := 0; i < rt.NumField(); i++ {
+		field := rt.Field(i)
+		if field.Anonymous && field.Type.Kind() == reflect.Struct {
+			// Recurse into anonymous struct fields.
+			fields = append(fields, allFields(field.Type)...)
+			continue
+		}
+		fields = append(fields, rt.Field(i))
+	}
+	return fields
+}