feat: schema builder's create flow

web/src/lib/schemaBuilderPayload.ts

@@ -0,0 +1,66 @@
+import {
+	effectiveDefault,
+	isUnique,
+	supportsLimits,
+	trimmedOptions,
+	type BuilderField,
+	type BuilderForm,
+} from '@/lib/schemaBuilderModel'
+
+export interface PayloadField {
+	key: string
+	label: string
+	type: string
+	required: boolean
+	unique: boolean
+	default: string | number | boolean | null
+	min: number | string | null
+	max: number | string | null
+	options: string[]
+}
+
+export interface ContentTypePayload {
+	key: string
+	name: string
+	fields: PayloadField[]
+}
+
+function limit(field: BuilderField, text: string) {
+	if (!supportsLimits(field.type) || text.trim() === '') {
+		return null
+	}
+	return field.type === 'date' ? text : Number(text)
+}
+
+function defaultFor(field: BuilderField) {
+	if (field.type === 'boolean') {
+		return field.defaultOn ? true : null
+	}
+	const given = effectiveDefault(field)
+	if (given === '') {
+		return null
+	}
+	return field.type === 'number' ? Number(given) : given
+}
+
+export function payloadField(field: BuilderField): PayloadField {
+	return {
+		key: field.key,
+		label: field.label.trim(),
+		type: field.type,
+		required: field.required,
+		unique: isUnique(field),
+		default: defaultFor(field),
+		min: limit(field, field.min),
+		max: limit(field, field.max),
+		options: field.type === 'select' ? trimmedOptions(field) : [],
+	}
+}
+
+export function buildPayload(form: BuilderForm): ContentTypePayload {
+	return {
+		key: form.key,
+		name: form.name.trim(),
+		fields: form.fields.map(payloadField),
+	}
+}