0d813fc0dd
* Add export and import functions * Add import from dbml to control panel * Add the import key back into locales and show import error * Parse relationships
103 lines
2.7 KiB
JavaScript
103 lines
2.7 KiB
JavaScript
import { Cardinality } from "../../data/constants";
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import { parseDefault } from "../exportSQL/shared";
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function hasColumnSettings(field) {
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return (
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field.primary ||
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field.notNull ||
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field.increment ||
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field.unique ||
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(field.comment && field.comment.trim() != "") ||
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(field.default && field.default.trim() != "")
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);
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}
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function columnDefault(field, database) {
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if (!field.default || field.default.trim() === "") {
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return "";
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}
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return `default: ${parseDefault(field, database)}`;
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}
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function columnComment(field) {
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if (!field.comment || field.comment.trim() === "") {
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return "";
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}
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return `note: '${field.comment}'`;
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}
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function columnSettings(field, database) {
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if (!hasColumnSettings(field)) {
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return "";
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}
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return ` [ ${field.primary ? "pk " : ""}${
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field.increment ? "increment " : ""
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}${field.notNull ? "not null " : ""}${
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field.unique ? "unique " : ""
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}${columnDefault(field, database)}${columnComment(field, database)}]`;
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}
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function cardinality(rel) {
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switch (rel.cardinality) {
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case Cardinality.ONE_TO_ONE:
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return "-";
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case Cardinality.ONE_TO_MANY:
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return "<";
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case Cardinality.MANY_TO_ONE:
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return ">";
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}
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}
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export function toDBML(diagram) {
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return `${diagram.enums
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.map(
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(en) =>
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`enum ${en.name} {\n${en.values.map((v) => `\t${v}`).join("\n")}\n}\n\n`,
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)
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.join("\n\n")}${diagram.tables
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.map(
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(table) =>
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`Table ${table.name} {\n${table.fields
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.map(
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(field) =>
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`\t${field.name} ${field.type.toLowerCase()}${columnSettings(
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field,
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diagram.database,
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)}`,
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)
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.join("\n")}${
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table.indices.length > 0
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? "\n\n\tindexes {\n" +
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table.indices
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.map(
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(index) =>
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`\t\t(${index.fields.join(", ")}) [ name: '${
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index.name
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}'${index.unique ? " unique" : ""} ]`,
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)
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.join("\n") +
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"\n\t}"
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: ""
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}${
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table.comment && table.comment.trim() !== ""
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? `\n\n\tNote: '${table.comment}'`
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: ""
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}\n}`,
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)
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.join("\n\n")}\n\n${diagram.relationships
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.map(
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(rel) =>
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`Ref ${rel.name} {\n\t${
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diagram.tables[rel.startTableId].name
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}.${diagram.tables[rel.startTableId].fields[rel.startFieldId].name} ${cardinality(
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rel,
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)} ${diagram.tables[rel.endTableId].name}.${
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diagram.tables[rel.endTableId].fields[rel.endFieldId].name
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} [ delete: ${rel.deleteConstraint.toLowerCase()}, on update: ${rel.updateConstraint.toLowerCase()} ]\n}`,
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)
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.join("\n\n")}`;
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}
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