73 lines
2.0 KiB
TypeScript
73 lines
2.0 KiB
TypeScript
// deno-lint-ignore-file no-explicit-any
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import { Variant, VariantTag } from "@fabric/core";
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import { Collection, FieldDefinition, getTargetKey } from "@fabric/domain";
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type FieldSQLDefinitionMap = {
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[K in FieldDefinition[VariantTag]]: (
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name: string,
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field: Extract<FieldDefinition, { [VariantTag]: K }>,
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) => string;
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};
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const FieldSQLDefinitionMap: FieldSQLDefinitionMap = {
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StringField: (n, f) => {
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return [n, "TEXT", modifiersFromOpts(f)].join(" ");
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},
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UUIDField: (n, f) => {
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return [
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n,
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"TEXT",
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f.isPrimaryKey ? "PRIMARY KEY" : "",
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modifiersFromOpts(f),
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]
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.filter((x) => x)
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.join(" ");
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},
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IntegerField: (n, f): string => {
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return [n, "INTEGER", modifiersFromOpts(f)].join(" ");
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},
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ReferenceField: (n, f): string => {
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return [
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n,
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"TEXT",
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modifiersFromOpts(f),
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`REFERENCES ${f.targetModel}(${getTargetKey(f)})`,
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].join(" ");
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},
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FloatField: (n, f): string => {
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return [n, "REAL", modifiersFromOpts(f)].join(" ");
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},
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DecimalField: (n, f): string => {
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return [n, "REAL", modifiersFromOpts(f)].join(" ");
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},
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TimestampField: (n, f): string => {
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return [n, "NUMERIC", modifiersFromOpts(f)].join(" ");
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},
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EmbeddedField: (n, f): string => {
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return [n, "TEXT", modifiersFromOpts(f)].join(" ");
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},
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};
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function fieldDefinitionToSQL(name: string, field: FieldDefinition) {
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return FieldSQLDefinitionMap[field[VariantTag]](name, field as any);
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}
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function modifiersFromOpts(field: FieldDefinition) {
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if (Variant.is(field, "UUIDField") && field.isPrimaryKey) {
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return;
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}
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return [!field.isOptional ? "NOT NULL" : "", field.isUnique ? "UNIQUE" : ""]
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.filter((x) => x)
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.join(" ");
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}
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export function modelToSql(
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model: Collection<string, Record<string, FieldDefinition>>,
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) {
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const fields = Object.entries(model.fields)
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.map(([name, type]) => fieldDefinitionToSQL(name, type))
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.filter((x) => x)
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.join(", ");
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return `CREATE TABLE ${model.name} (${fields})`;
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}
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