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{ EntityMetadata } from \"../metadata/EntityMetadata\"\nimport { MissingPrimaryColumnError } from \"../error/MissingPrimaryColumnError\"\nimport { CircularRelationsError } from \"../error/CircularRelationsError\"\nimport { DepGraph } from \"../util/DepGraph\"\nimport { Driver } from \"../driver/Driver\"\nimport { DataTypeNotSupportedError } from \"../error/DataTypeNotSupportedError\"\nimport { ColumnType } from \"../driver/types/ColumnTypes\"\nimport { NoConnectionOptionError } from \"../error/NoConnectionOptionError\"\nimport { InitializedRelationError } from \"../error/InitializedRelationError\"\nimport { TypeORMError } from \"../error\"\nimport { DriverUtils } from \"../driver/DriverUtils\"\n\n/// todo: add check if there are multiple tables with the same name\n/// todo: add checks when generated column / table names are too long for the specific driver\n// todo: type in function validation, inverse side function validation\n// todo: check on build for duplicate names, since naming checking was removed from MetadataStorage\n// todo: duplicate name checking for: table, relation, column, index, naming strategy, join tables/columns?\n// todo: check if multiple tree parent metadatas in validator\n// todo: tree decorators can be used only on closure table (validation)\n// todo: throw error if parent tree metadata was not specified in a closure table\n\n// todo: MetadataArgsStorage: type in function validation, inverse side function validation\n// todo: MetadataArgsStorage: check on build for duplicate names, since naming checking was removed from MetadataStorage\n// todo: MetadataArgsStorage: duplicate name checking for: table, relation, column, index, naming strategy, join tables/columns?\n// todo: MetadataArgsStorage: check for duplicate targets too since this check has been removed too\n// todo: check if relation decorator contains primary: true and nullable: true\n// todo: check column length, precision. scale\n// todo: MySQL index can be unique or spatial or fulltext\n\n/**\n * Validates built entity metadatas.\n */\nexport class EntityMetadataValidator {\n    // -------------------------------------------------------------------------\n    // Public Methods\n    // -------------------------------------------------------------------------\n\n    /**\n     * Validates all given entity metadatas.\n     */\n    validateMany(entityMetadatas: EntityMetadata[], driver: Driver) {\n        entityMetadatas.forEach((entityMetadata) =>\n            this.validate(entityMetadata, entityMetadatas, driver),\n        )\n        this.validateDependencies(entityMetadatas)\n        this.validateEagerRelations(entityMetadatas)\n    }\n\n    /**\n     * Validates given entity metadata.\n     */\n    validate(\n        entityMetadata: EntityMetadata,\n        allEntityMetadatas: EntityMetadata[],\n        driver: Driver,\n    ) {\n        // check if table metadata has an id\n        if (!entityMetadata.primaryColumns.length && !entityMetadata.isJunction)\n            throw new MissingPrimaryColumnError(entityMetadata)\n\n        // if entity has multiple primary keys and uses custom constraint name,\n        // then all primary keys should have the same constraint name\n        if (entityMetadata.primaryColumns.length > 1) {\n            const areConstraintNamesEqual = entityMetadata.primaryColumns.every(\n                (columnMetadata, i, columnMetadatas) =>\n                    columnMetadata.primaryKeyConstraintName ===\n                    columnMetadatas[0].primaryKeyConstraintName,\n            )\n            if (!areConstraintNamesEqual) {\n                throw new TypeORMError(\n                    `Entity ${entityMetadata.name} has multiple primary columns with different constraint names. Constraint names should be the equal.`,\n                )\n            }\n        }\n\n        // validate if table is using inheritance it has a discriminator\n        // also validate if discriminator values are not empty and not repeated\n        if (\n            entityMetadata.inheritancePattern === \"STI\" ||\n            entityMetadata.tableType === \"entity-child\"\n        ) {\n            if (!entityMetadata.discriminatorColumn)\n                throw new TypeORMError(\n                    `Entity ${entityMetadata.name} using single-table inheritance, it should also have a discriminator column. Did you forget to put discriminator column options?`,\n                )\n\n            if (typeof entityMetadata.discriminatorValue === \"undefined\")\n                throw new TypeORMError(\n                    `Entity ${entityMetadata.name} has an undefined discriminator value. Discriminator value should be defined.`,\n                )\n\n            const sameDiscriminatorValueEntityMetadata =\n                allEntityMetadatas.find((metadata) => {\n                    return (\n                        metadata !== entityMetadata &&\n                        (metadata.inheritancePattern === \"STI\" ||\n                            metadata.tableType === \"entity-child\") &&\n                        metadata.tableName === entityMetadata.tableName &&\n                        metadata.discriminatorValue ===\n                            entityMetadata.discriminatorValue &&\n                        metadata.inheritanceTree.some(\n                            (parent) =>\n                                entityMetadata.inheritanceTree.indexOf(\n                                    parent,\n                                ) !== -1,\n                        )\n                    )\n                })\n            if (sameDiscriminatorValueEntityMetadata)\n                throw new TypeORMError(\n                    `Entities ${entityMetadata.name} and ${sameDiscriminatorValueEntityMetadata.name} have the same discriminator values. Make sure they are different while using the @ChildEntity decorator.`,\n                )\n        }\n\n        entityMetadata.relationCounts.forEach((relationCount) => {\n            if (\n                relationCount.relation.isManyToOne ||\n                relationCount.relation.isOneToOne\n            )\n                throw new TypeORMError(\n                    `Relation count can not be implemented on ManyToOne or OneToOne relations.`,\n                )\n        })\n\n        if (!(driver.options.type === \"mongodb\")) {\n            entityMetadata.columns\n                .filter((column) => !column.isVirtualProperty)\n                .forEach((column) => {\n                    const normalizedColumn = driver.normalizeType(\n                        column,\n                    ) as ColumnType\n                    if (\n                        driver.supportedDataTypes.indexOf(normalizedColumn) ===\n                        -1\n                    )\n                        throw new DataTypeNotSupportedError(\n                            column,\n                            normalizedColumn,\n                            driver.options.type,\n                        )\n                    if (\n                        column.length &&\n                        driver.withLengthColumnTypes.indexOf(\n                            normalizedColumn,\n                        ) === -1\n                    )\n                        throw new TypeORMError(\n                            `Column ${column.propertyName} of Entity ${entityMetadata.name} does not support length property.`,\n                        )\n                    if (\n                        column.type === \"enum\" &&\n                        !column.enum &&\n                        !column.enumName\n                    )\n                        throw new TypeORMError(\n                            `Column \"${column.propertyName}\" of Entity \"${entityMetadata.name}\" is defined as enum, but missing \"enum\" or \"enumName\" properties.`,\n                        )\n                })\n        }\n\n        if (\n            DriverUtils.isMySQLFamily(driver) ||\n            driver.options.type === \"aurora-mysql\"\n        ) {\n            const generatedColumns = entityMetadata.columns.filter(\n                (column) =>\n                    column.isGenerated && column.generationStrategy !== \"uuid\",\n            )\n            if (generatedColumns.length > 1)\n                throw new TypeORMError(\n                    `Error in ${entityMetadata.name} entity. There can be only one auto-increment column in MySql table.`,\n                )\n        }\n\n        // for mysql we are able to not define a default selected database, instead all entities can have their database\n        // defined in their decorators. To make everything work either all entities must have database define and we\n        // can live without database set in the connection options, either database in the connection options must be set\n        if (DriverUtils.isMySQLFamily(driver)) {\n            const metadatasWithDatabase = allEntityMetadatas.filter(\n                (metadata) => metadata.database,\n            )\n            if (metadatasWithDatabase.length === 0 && !driver.database)\n                throw new NoConnectionOptionError(\"database\")\n        }\n\n        if (driver.options.type === \"mssql\") {\n            const charsetColumns = entityMetadata.columns.filter(\n                (column) => column.charset,\n            )\n            if (charsetColumns.length > 1)\n                throw new TypeORMError(\n                    `Character set specifying is not supported in Sql Server`,\n                )\n        }\n\n        // Postgres supports only STORED generated columns.\n        if (driver.options.type === \"postgres\") {\n            const virtualColumn = entityMetadata.columns.find(\n                (column) =>\n                    column.asExpression &&\n                    (!column.generatedType ||\n                        column.generatedType === \"VIRTUAL\"),\n            )\n            if (virtualColumn)\n                throw new TypeORMError(\n                    `Column \"${virtualColumn.propertyName}\" of Entity \"${entityMetadata.name}\" is defined as VIRTUAL, but Postgres supports only STORED generated columns.`,\n                )\n        }\n\n        // check if relations are all without initialized properties\n        const entityInstance = entityMetadata.create(undefined, {\n            fromDeserializer: true,\n        })\n        entityMetadata.relations.forEach((relation) => {\n            if (relation.isManyToMany || relation.isOneToMany) {\n                // we skip relations for which persistence is disabled since initialization in them cannot harm somehow\n                if (relation.persistenceEnabled === false) return\n\n                // get entity relation value and check if its an array\n                const relationInitializedValue =\n                    relation.getEntityValue(entityInstance)\n                if (Array.isArray(relationInitializedValue))\n                    throw new InitializedRelationError(relation)\n            }\n        })\n\n        // validate relations\n        entityMetadata.relations.forEach((relation) => {\n            // check OnDeleteTypes\n            if (\n                driver.supportedOnDeleteTypes &&\n                relation.onDelete &&\n                !driver.supportedOnDeleteTypes.includes(relation.onDelete)\n            ) {\n                throw new TypeORMError(\n                    `OnDeleteType \"${relation.onDelete}\" is not supported for ${driver.options.type}!`,\n                )\n            }\n\n            // check OnUpdateTypes\n            if (\n                driver.supportedOnUpdateTypes &&\n                relation.onUpdate &&\n                !driver.supportedOnUpdateTypes.includes(relation.onUpdate)\n            ) {\n                throw new TypeORMError(\n                    `OnUpdateType \"${relation.onUpdate}\" is not valid for ${driver.options.type}!`,\n                )\n            }\n\n            // check join tables:\n            // using JoinTable is possible only on one side of the many-to-many relation\n            // todo(dima): fix\n            // if (relation.joinTable) {\n            //     if (!relation.isManyToMany)\n            //         throw new UsingJoinTableIsNotAllowedError(entityMetadata, relation);\n            //     // if there is inverse side of the relation, then check if it does not have join table too\n            //     if (relation.hasInverseSide && relation.inverseRelation.joinTable)\n            //         throw new UsingJoinTableOnlyOnOneSideAllowedError(entityMetadata, relation);\n            // }\n            // check join columns:\n            // using JoinColumn is possible only on one side of the relation and on one-to-one, many-to-one relation types\n            // first check if relation is one-to-one or many-to-one\n            // todo(dima): fix\n            /*if (relation.joinColumn) {\n\n                // join column can be applied only on one-to-one and many-to-one relations\n                if (!relation.isOneToOne && !relation.isManyToOne)\n                    throw new UsingJoinColumnIsNotAllowedError(entityMetadata, relation);\n\n                // if there is inverse side of the relation, then check if it does not have join table too\n                if (relation.hasInverseSide && relation.inverseRelation.joinColumn && relation.isOneToOne)\n                    throw new UsingJoinColumnOnlyOnOneSideAllowedError(entityMetadata, relation);\n\n                // check if join column really has referenced column\n                if (relation.joinColumn && !relation.joinColumn.referencedColumn)\n                    throw new TypeORMError(`Join column does not have referenced column set`);\n\n            }\n\n            // if its a one-to-one relation and JoinColumn is missing on both sides of the relation\n            // or its one-side relation without JoinColumn we should give an error\n            if (!relation.joinColumn && relation.isOneToOne && (!relation.hasInverseSide || !relation.inverseRelation.joinColumn))\n                throw new MissingJoinColumnError(entityMetadata, relation);*/\n            // if its a many-to-many relation and JoinTable is missing on both sides of the relation\n            // or its one-side relation without JoinTable we should give an error\n            // todo(dima): fix it\n            // if (!relation.joinTable && relation.isManyToMany && (!relation.hasInverseSide || !relation.inverseRelation.joinTable))\n            //     throw new MissingJoinTableError(entityMetadata, relation);\n            // todo: validate if its one-to-one and side which does not have join column MUST have inverse side\n            // todo: validate if its many-to-many and side which does not have join table MUST have inverse side\n            // todo: if there is a relation, and inverse side is specified only on one side, shall we give error\n            // todo: with message like: \"Inverse side is specified only on one side of the relationship. Specify on other side too to prevent confusion\".\n            // todo: add validation if there two entities with the same target, and show error message with description of the problem (maybe file was renamed/moved but left in output directory)\n            // todo: check if there are multiple columns on the same column applied.\n            // todo: check column type if is missing in relational databases (throw new TypeORMError(`Column type of ${type} cannot be determined.`);)\n            // todo: include driver-specific checks. for example in mongodb empty prefixes are not allowed\n            // todo: if multiple columns with same name - throw exception, including cases when columns are in embeds with same prefixes or without prefix at all\n            // todo: if multiple primary key used, at least one of them must be unique or @Index decorator must be set on entity\n            // todo: check if entity with duplicate names, some decorators exist\n        })\n\n        // make sure cascade remove is not set for both sides of relationships (can be set in OneToOne decorators)\n        entityMetadata.relations.forEach((relation) => {\n            const isCircularCascadeRemove =\n                relation.isCascadeRemove &&\n                relation.inverseRelation &&\n                relation.inverseRelation!.isCascadeRemove\n            if (isCircularCascadeRemove)\n                throw new TypeORMError(\n                    `Relation ${entityMetadata.name}#${\n                        relation.propertyName\n                    } and ${relation.inverseRelation!.entityMetadata.name}#${\n                        relation.inverseRelation!.propertyName\n                    } both has cascade remove set. ` +\n                        `This may lead to unexpected circular removals. Please set cascade remove only from one side of relationship.`,\n                )\n        }) // todo: maybe better just deny removal from one to one relation without join column?\n\n        entityMetadata.eagerRelations.forEach((relation) => {})\n    }\n\n    /**\n     * Validates dependencies of the entity metadatas.\n     */\n    protected validateDependencies(entityMetadatas: EntityMetadata[]) {\n        const graph = new DepGraph()\n        entityMetadatas.forEach((entityMetadata) => {\n            graph.addNode(entityMetadata.name)\n        })\n        entityMetadatas.forEach((entityMetadata) => {\n            entityMetadata.relationsWithJoinColumns\n                .filter((relation) => !relation.isNullable)\n                .forEach((relation) => {\n                    graph.addDependency(\n                        entityMetadata.name,\n                        relation.inverseEntityMetadata.name,\n                    )\n                })\n        })\n        try {\n            graph.overallOrder()\n        } catch (err) {\n            throw new CircularRelationsError(\n                err.toString().replace(\"Error: Dependency Cycle Found: \", \"\"),\n            )\n        }\n    }\n\n    /**\n     * Validates eager relations to prevent circular dependency in them.\n     */\n    protected validateEagerRelations(entityMetadatas: EntityMetadata[]) {\n        entityMetadatas.forEach((entityMetadata) => {\n            entityMetadata.eagerRelations.forEach((relation) => {\n                if (\n                    relation.inverseRelation &&\n                    relation.inverseRelation.isEager\n                )\n                    throw new TypeORMError(\n                        `Circular eager relations are disallowed. ` +\n                            `${entityMetadata.targetName}#${relation.propertyPath} contains \"eager: true\", and its inverse side ` +\n                            `${relation.inverseEntityMetadata.targetName}#${relation.inverseRelation.propertyPath} contains \"eager: true\" as well.` +\n                            ` Remove \"eager: true\" from one side of the relation.`,\n                    )\n            })\n        })\n    }\n}\n"],"sourceRoot":".."}