drawDB/src/utils/issues.js
2024-04-24 18:37:50 +03:00

250 lines
7.0 KiB
JavaScript

import { isFunction, strHasQuotes } from "./utils";
function validateDateStr(str) {
return /^(?!0000)(?!00)(?:(?!0000)[0-9]{4}-(?:(?:0[1-9]|1[0-2])-(?:0[1-9]|1[0-9]|2[0-9]|3[01])|(?:0[1-9]|1[0-2])-(?:0[1-9]|1[0-9]|2[0-8])|(?:0[13-9]|1[0-2])-(?:29|30)|(?:0[13578]|1[02])-31))$/.test(
str,
);
}
function checkDefault(field) {
if (field.default === "") return true;
if (isFunction(field.default)) return true;
if (!field.notNull && field.default.toLowerCase() === "null") return true;
switch (field.type) {
case "INT":
case "BIGINT":
case "SMALLINT":
return /^-?\d*$/.test(field.default);
case "SET": {
const defaultValues = field.default.split(",");
for (let i = 0; i < defaultValues.length; i++) {
if (!field.values.includes(defaultValues[i].trim())) return false;
}
return true;
}
case "ENUM":
return field.values.includes(field.default);
case "CHAR":
case "VARCHAR":
if (strHasQuotes(field.default)) {
return field.default.length - 2 <= field.size;
}
return field.default.length <= field.size;
case "BINARY":
case "VARBINARY":
return (
field.default.length <= field.size && /^[01]+$/.test(field.default)
);
case "BOOLEAN":
return (
field.default.trim().toLowerCase() === "false" ||
field.default.trim().toLowerCase() === "true"
);
case "FLOAT":
case "DECIMAL":
case "DOUBLE":
case "NUMERIC":
case "REAL":
return /^-?\d*.?\d+$/.test(field.default);
case "DATE":
return validateDateStr(field.default);
case "TIME":
return /^(?:[01]?\d|2[0-3]):[0-5]?\d:[0-5]?\d$/.test(field.default);
case "TIMESTAMP": {
if (field.default.toUpperCase() === "CURRENT_TIMESTAMP") {
return true;
}
if (!/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}$/.test(field.default)) {
return false;
}
const content = field.default.split(" ");
const date = content[0].split("-");
return parseInt(date[0]) >= 1970 && parseInt(date[0]) <= 2038;
}
case "DATETIME": {
if (field.default.toUpperCase() === "CURRENT_TIMESTAMP") {
return true;
}
if (!/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}$/.test(field.default)) {
return false;
}
const c = field.default.split(" ");
const d = c[0].split("-");
return parseInt(d[0]) >= 1000 && parseInt(d[0]) <= 9999;
}
default:
return true;
}
}
export function getIssues(diagram) {
const issues = [];
const duplicateTableNames = {};
diagram.tables.forEach((table) => {
if (table.name === "") {
issues.push(`Declared a table with no name`);
}
if (duplicateTableNames[table.name]) {
issues.push(`Duplicate table by the name "${table.name}"`);
} else {
duplicateTableNames[table.name] = true;
}
const duplicateFieldNames = {};
let hasPrimaryKey = false;
table.fields.forEach((field) => {
if (field.primary) {
hasPrimaryKey = true;
}
if (field.name === "") {
issues.push(`Empty field name in table "${table.name}"`);
}
if (field.type === "") {
issues.push(`Empty field type in table "${table.name}"`);
} else if (field.type === "ENUM" || field.type === "SET") {
if (!field.values || field.values.length === 0) {
issues.push(
`"${field.name}" field of table "${table.name}" is of type ${field.type} but no values have been specified`,
);
}
}
if (!checkDefault(field)) {
issues.push(
`Default value for field "${field.name}" in table "${table.name}" does not match its type.`,
);
}
if (field.notNull && field.default.toLowerCase() === "null") {
issues.push(
`"${field.name}" field of table "${table.name}" is NOT NULL but has default NULL`,
);
}
if (duplicateFieldNames[field.name]) {
issues.push(`Duplicate table fields in table "${table.name}"`);
} else {
duplicateFieldNames[field.name] = true;
}
});
const duplicateIndices = {};
table.indices.forEach((index) => {
if (duplicateIndices[index.name]) {
issues.push(`Duplicate index by the name "${index.name}"`);
} else {
duplicateIndices[index.name] = true;
}
});
table.indices.forEach((index) => {
if (index.fields.length === 0) {
issues.push(`Empty index type in table "${table.name}"`);
}
});
if (!hasPrimaryKey) {
issues.push(`Table "${table.name}" has no primary key`);
}
});
const duplicateTypeNames = {};
diagram.types.forEach((type) => {
if (type.name === "") {
issues.push(`Declared a type with no name`);
}
if (duplicateTypeNames[type.name]) {
issues.push(`Duplicate types by the name "${type.name}"`);
} else {
duplicateTypeNames[type.name] = true;
}
if (type.fields.length === 0) {
issues.push(`Declared an empty type "${type.name}" with no fields`);
return;
}
const duplicateFieldNames = {};
type.fields.forEach((field) => {
if (field.name === "") {
issues.push(`Empty field name in type "${type.name}"`);
}
if (field.type === "") {
issues.push(`Empty field type in "${type.name}"`);
} else if (field.type === "ENUM" || field.type === "SET") {
if (!field.values || field.values.length === 0) {
issues.push(
`"${field.name}" field of type "${type.name}" is of type ${field.type} but no values have been specified`,
);
}
}
if (duplicateFieldNames[field.name]) {
issues.push(`Duplicate type fields in "${type.name}"`);
} else {
duplicateFieldNames[field.name] = true;
}
});
});
const duplicateFKName = {};
diagram.relationships.forEach((r) => {
if (duplicateFKName[r.name]) {
issues.push(`Duplicate reference by the name "${r.name}"`);
} else {
duplicateFKName[r.name] = true;
}
if (
diagram.tables[r.startTableId].fields[r.startFieldId].type !==
diagram.tables[r.endTableId].fields[r.endFieldId].type
) {
issues.push(`Referencing column "${
diagram.tables[r.endTableId].fields[r.endFieldId].name
}" and referenced column "${
diagram.tables[r.startTableId].fields[r.startFieldId].name
}" are incompatible.
`);
}
});
const visitedTables = new Set();
function checkCircularRelationships(tableId, visited = []) {
if (visited.includes(tableId)) {
issues.push(
`Circular relationship involving table: "${diagram.tables[tableId].name}"`,
);
return;
}
visited.push(tableId);
visitedTables.add(tableId);
diagram.relationships.forEach((r) => {
if (r.startTableId === tableId && r.startTableId !== r.endTableId) {
checkCircularRelationships(r.endTableId, [...visited]);
}
});
}
diagram.tables.forEach((table) => {
if (!visitedTables.has(table.id)) {
checkCircularRelationships(table.id);
}
});
return issues;
}