New Components - neo4j_auradb #15848
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WalkthroughThis PR introduces multiple new modules to facilitate interactions with a Neo4j AuraDB instance. It adds action modules for creating nodes, creating relationships, and running Cypher queries with proper metadata and error handling. Additionally, new source modules for event emission (for both nodes and relationships) are provided, along with test event files. The changes also include utility functions and constants, an expanded application module with new API request and pagination methods, and a version update with added dependency. Changes
Sequence Diagram(s)sequenceDiagram
participant A as Create Node Action
participant App as neo4j_auradb.app
participant DB as Neo4j AuraDB API
A->>App: run({ label, properties })
App->>DB: POST request with Cypher query
DB-->>App: Response with node data
App-->>A: Return creation summary & node ID
sequenceDiagram
participant S as new-node Source
participant App as neo4j_auradb.app
participant DB as Neo4j AuraDB API
participant EB as Event Bus
S->>App: Construct and execute Cypher query (with nodeLabel)
App->>DB: Execute paginated query
DB-->>App: Return query results
S->>EB: Emit event with node details
Assessment against linked issues
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Sources - New Node - New Relationship - New Query Result Actions - Create Node - Create Relationship - Run Query
Co-authored-by: michelle0927 <michelle0927@users.noreply.github.com>
Hi @michelle0927, I don't think it makes sense because Neo4J uses CQL (Cypher Query Language). From what I understand, the SQL editor will not help to build this query. |
Actions - List User Availability Schedules
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Actionable comments posted: 8
🧹 Nitpick comments (14)
components/neo4j_auradb/common/constants.mjs (1)
1-1: Consider adding documentation for the LIMIT constantThe LIMIT constant is properly defined, but it would be helpful to add a comment explaining its specific use case (e.g., pagination, query result limiting) for better maintainability.
components/neo4j_auradb/sources/new-node/test-event.mjs (1)
1-11: Add documentation and fix name typoThis test event provides a good example of a Neo4j node structure. Consider adding a comment at the top explaining that this is a sample node for testing purposes.
Also, there's a typo in the player's name - it should be "Shikhar Dhawan" instead of "Shikar Dhawan".
+// Sample Neo4j node structure for testing the new-node source component export default { "elementId": "4:52eb161a-501d-4f5f-b499-f72cbe80d169:1", "labels": [ "player" ], "properties": { - "name": "Shikar Dhawan", + "name": "Shikhar Dhawan", "YOB": 1985, "POB": "Delhi" } }components/neo4j_auradb/common/utils.mjs (1)
1-24: Add JSDoc documentation for the parseObject functionThe
parseObjectutility is well-implemented with good error handling and edge case coverage. For better maintainability and clarity, consider adding JSDoc documentation that explains:
- The function's purpose
- Parameter descriptions
- Return value explanation
- Example usage
+/** + * Attempts to parse string or array of strings as JSON objects + * + * @param {any} obj - The input value to parse. Can be a string, array, or any other type + * @returns {any} - Parsed JSON object if successful, or the original value if parsing fails + * + * @example + * // Returns { key: "value" } + * parseObject('{"key": "value"}') + * + * @example + * // Returns ["string", { key: "value" }] + * parseObject(['string', '{"key": "value"}']) + */ export const parseObject = (obj) => { if (!obj) return undefined; if (Array.isArray(obj)) { return obj.map((item) => { if (typeof item === "string") { try { return JSON.parse(item); } catch (e) { return item; } } return item; }); } if (typeof obj === "string") { try { return JSON.parse(obj); } catch (e) { return obj; } } return obj; };components/neo4j_auradb/sources/new-relationship/test-event.mjs (1)
1-29: Test data structure looks appropriate for Neo4j relationships.The exported array correctly represents a graph structure with two player nodes and a relationship between them. This follows Neo4j's data model where relationships have a direction, a type, and can have properties.
Some observations:
- Both player nodes have the appropriate structure with elementId, labels, and properties
- The relationship correctly references the nodes via startNodeElementId and endNodeElementId
- The relationship type "ARE_ASSOCIATED" follows the Neo4j convention of using uppercase with underscores
Consider adding a brief comment at the top of the file explaining the purpose of this test data and how it should be used. This would help other developers understand the intent of this file.
components/neo4j_auradb/actions/run-query/run-query.mjs (1)
3-25: Add input validation and error handling to improve robustness.The action is well-structured and correctly implements the functionality to execute a Cypher query against Neo4j AuraDB. However, there's no validation for empty or malformed queries, and error handling could be improved.
Consider adding basic validation and error handling:
async run({ $ }) { + if (!this.cypherQuery || !this.cypherQuery.trim()) { + throw new Error("Cypher query cannot be empty"); + } + + try { const response = await this.app.executeCypherQuery({ $, cypherQuery: this.cypherQuery, }); $.export("$summary", "Executed Cypher query successfully"); return response; + } catch (error) { + $.export("$summary", `Failed to execute Cypher query: ${error.message}`); + throw error; + } },components/calendly_v2/actions/list-user-availability-schecdules/list-user-availability-schecdules.mjs (1)
28-32: Add error handling to improve robustness.Consider adding error handling to provide better feedback when the API call fails.
async run({ $ }) { + try { const response = await this.calendly.listUSerAvailabilitySchedules(this.user, $); $.export("$summary", `Successfully retrieved availability schedules for user ${this.user}`); return response; + } catch (error) { + $.export("$summary", `Failed to retrieve availability schedules: ${error.message}`); + throw error; + } },components/neo4j_auradb/actions/create-relationship/create-relationship.mjs (2)
17-33: Properties are well defined but could benefit from additional validation.The properties for this action are well structured and appropriately typed, but considering Neo4j's data model, additional validation or guidance might be helpful.
Consider enhancing the property descriptions to indicate the expected format for node identifiers:
startNode: { type: "object", label: "Start Node Identifier", - description: "An object containing any fields used to identify the start node.", + description: "An object containing properties used to identify the start node (e.g., {id: '123', name: 'John'}).", }, endNode: { type: "object", label: "End Node Identifier", - description: "An object containing any fields used to identify the end node.", + description: "An object containing properties used to identify the end node (e.g., {id: '456', name: 'Jane'}).", },
34-47: Add error handling for node lookup failures.The current implementation doesn't handle scenarios where the specified nodes can't be found. Adding explicit error handling would improve user experience.
async run({ $ }) { + try { const response = await this.app.createRelationship({ $, relationshipType: this.relationshipType, startNode: parseObject(this.startNode), endNode: parseObject(this.endNode), relationshipProperties: parseObject(this.relationshipProperties), }); $.export( "$summary", `Created relationship '${this.relationshipType}' between nodes`, ); return response; + } catch (error) { + if (error.message.includes("not found")) { + $.export("$summary", "Failed to create relationship: One or both nodes could not be found"); + } else { + $.export("$summary", `Failed to create relationship: ${error.message}`); + } + throw error; + } },components/neo4j_auradb/actions/create-node/create-node.mjs (1)
15-16: Clarify property description.
The description mentions "to filter events for new node creation," but this is an action that creates a node. Consider removing or rephrasing "to filter events" to avoid confusion.- description: "The label of the node to filter events for new node creation." + description: "The label of the node to create."components/neo4j_auradb/sources/common/base.mjs (3)
15-18: Clarify user instructions fororderBy.
Currently, the description references “property represent the created time property of your entity.” Consider clarifying that this field must exist on all matching items; otherwise, the source might fail to order results properly.
38-38: Missing fallback for unknownorderType.
_getDefaultValue()and_getWhereClause()only handle"datetime","sequencial", and"other". Explicitly handle invalid or unrecognizedorderTypeto avoid unexpected behavior.
82-95: Caution with array usage.
The code adds items toresponseArraybefore checking_verifyBreak. If_verifyBreakindicates no more items should be processed, they’re still appended. Clarify or refactor the logic if partial results must be discarded.components/neo4j_auradb/neo4j_auradb.app.mjs (2)
18-26: Consider adding robust error handling for_makeRequest().
If the request fails or times out, you might want to catch and handle errors (e.g., retries, fallback, or user-friendly messages) instead of letting them propagate ungracefully.
42-69: String-based property substitution increateRelationshipcan be fragile.
Relying onJSON.stringify(...).replace(...)may break for nested structures or special characters. Consider a more robust approach, such as carefully building the query or using parameter placeholders if supported by Neo4j for node matching.
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components/calendly_v2/actions/list-user-availability-schecdules/list-user-availability-schecdules.mjs(1 hunks)components/neo4j_auradb/actions/create-node/create-node.mjs(1 hunks)components/neo4j_auradb/actions/create-relationship/create-relationship.mjs(1 hunks)components/neo4j_auradb/actions/run-query/run-query.mjs(1 hunks)components/neo4j_auradb/common/constants.mjs(1 hunks)components/neo4j_auradb/common/utils.mjs(1 hunks)components/neo4j_auradb/neo4j_auradb.app.mjs(1 hunks)components/neo4j_auradb/package.json(2 hunks)components/neo4j_auradb/sources/common/base.mjs(1 hunks)components/neo4j_auradb/sources/new-node/new-node.mjs(1 hunks)components/neo4j_auradb/sources/new-node/test-event.mjs(1 hunks)components/neo4j_auradb/sources/new-relationship/new-relationship.mjs(1 hunks)components/neo4j_auradb/sources/new-relationship/test-event.mjs(1 hunks)
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🔇 Additional comments (15)
components/neo4j_auradb/common/constants.mjs (1)
3-16: Well-structured options definition for order typesThe order type options are clearly defined with appropriate label-value pairs, making them suitable for dropdown menus or selection components in the UI.
components/neo4j_auradb/package.json (2)
3-3: Appropriate version bump for feature additionThe version update from 0.0.1 to 0.1.0 correctly follows semantic versioning for a feature release.
15-17: Proper dependency declarationThe addition of the @pipedream/platform dependency with a caret version constraint is appropriate and follows package management best practices.
components/neo4j_auradb/actions/create-node/create-node.mjs (2)
1-2: ValidateparseObjectusage for malformed inputs.
Currently, there's no error handling or try/catch aroundparseObject. Consider adding error handling to ensure the action gracefully handles malformed inputs or unexpected data.
30-34: Double-check the response structure forelementId.
Optional chaining is safe, but confirm thatvalues?.[0]?.[0]is always the correct index for the response. Otherwise, this code may yieldundefined.components/neo4j_auradb/sources/new-node/new-node.mjs (1)
14-18: Ensure valid node label inputs.
SincenodeLabelis dynamically composed into the query string, consider sanitizing or validating user inputs to guard against potential Cypher injection.components/neo4j_auradb/sources/new-relationship/new-relationship.mjs (1)
14-18: ValidaterelationshipLabel.
As with node labels,relationshipLabelis injected into the query. Validate or sanitize to prevent query injection.components/neo4j_auradb/sources/common/base.mjs (2)
53-65: Unused return value from_verifyBreak.
_verifyBreakreturns a boolean, but the response is never consumed. This may be an unintentional omission. If you intend to stop iterating on true, consider using a conditional break.
103-104: Check property indexing for node vs relationship items.
Using[0]?.propertiesor[1]?.propertiessuggests this code is used interchangeably for node and relationship queries. Ensure the indexing logic is correct for all queries.components/neo4j_auradb/neo4j_auradb.app.mjs (6)
1-3: Imports are valid and align with usage.
No concerns here.
9-11: Verify presence ofapi_url.
Ifthis.$auth.api_urlis optional, consider adding a fallback or an error message to handle missing credentials.
12-17: Inline credentials usage.
This pattern is common, but be mindful not to logusernameorpasswordto ensure security.
27-41: Potential label injection risk.
Dynamic queries with string interpolation forlabelcan open the door to injection or unexpected parsing issues if user inputs malicious or invalid data. Consider validating or sanitizing the label.
70-80: Generic query execution method looks good.
This provides flexible user-defined queries. No immediate concerns.
81-107: Check for potential infinite pagination.
If the query repeatedly returns exactlyLIMITrows, this loop may never terminate. Consider verifying if returning less thanLIMITshould break out of the loop.
.../calendly_v2/actions/list-user-availability-schecdules/list-user-availability-schecdules.mjs
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| getBaseQuery(whereClause) { | ||
| return `MATCH (n:${this.nodeLabel}) ${whereClause}`; |
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🛠️ Refactor suggestion
Potential query injection concern.
MATCH (n:${this.nodeLabel}) is constructed from user-supplied data. If a user enters malicious characters, it could disrupt or compromise the query.
| emit(item) { | ||
| const ts = (this.orderType === "dateTime") | ||
| ? Date.parse(item.properties[this.orderBy]) | ||
| : new Date(); | ||
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Inconsistency in orderType checks.
Here it checks this.orderType === "dateTime", but in base.mjs, the logic uses "datetime". This mismatch may prevent the correct code path from executing.
- const ts = (this.orderType === "dateTime")
+ const ts = (this.orderType === "datetime")📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| emit(item) { | |
| const ts = (this.orderType === "dateTime") | |
| ? Date.parse(item.properties[this.orderBy]) | |
| : new Date(); | |
| emit(item) { | |
| const ts = (this.orderType === "datetime") | |
| ? Date.parse(item.properties[this.orderBy]) | |
| : new Date(); |
| getBaseQuery(whereClause) { | ||
| return `MATCH p=()-[n:${this.relationshipLabel}]->() ${whereClause}`; |
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🛠️ Refactor suggestion
Potential query injection vulnerability.
MATCH p=()-[n:${this.relationshipLabel}]->() is constructed from user input. Ensure that special characters are handled safely before composing the query.
| emit(item) { | ||
| const ts = (this.orderType === "dateTime") | ||
| ? Date.parse(item[1].properties[this.orderBy]) | ||
| : new Date(); | ||
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Inconsistent orderType check.
Same as in new-node, there's a mismatch between "dateTime" here and "datetime" in the base module. Correct to keep the logic consistent.
- const ts = (this.orderType === "dateTime")
+ const ts = (this.orderType === "datetime")📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| emit(item) { | |
| const ts = (this.orderType === "dateTime") | |
| ? Date.parse(item[1].properties[this.orderBy]) | |
| : new Date(); | |
| emit(item) { | |
| const ts = (this.orderType === "datetime") | |
| ? Date.parse(item[1].properties[this.orderBy]) | |
| : new Date(); |
| props.datetimeFormat.hidden = !(this.orderType === "datetime"); | ||
| return {}; |
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Inconsistent use of "datetime".
In this file, the code checks this.orderType === "datetime" (lowercase “d”), but in other modules it’s "dateTime". Align these references to avoid logic discrepancies.
Resolves #15828.
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