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src/server/app/util/sockets/kafka.server.socket.js

Summary

Maintainability
D
2 days
Test Coverage

Function kafkaPayloadHandler has 27 lines of code (exceeds 25 allowed). Consider refactoring.
Open

KafkaSocket.prototype.kafkaPayloadHandler = function(consumer, message) {
    // Gracefully handle empty messages by ignoring and logging
    if (null == message) {
        logger.warn('%s: Ignoring empty message %s', this.name, message);
        return;
Severity: Minor
Found in src/server/app/util/sockets/kafka.server.socket.js - About 1 hr to fix

    Function ignorePayload has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
    Open

    KafkaSocket.prototype.ignorePayload = function(rawMessage, json, consumer) {
    // Ignore any payloads that are too old.
    if (null != ignoreOlderThan) {
        var now = Date.now();
        var messageTime = this.getMessageTime(json);
    Severity: Minor
    Found in src/server/app/util/sockets/kafka.server.socket.js - About 25 mins to fix

    Cognitive Complexity

    Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

    A method's cognitive complexity is based on a few simple rules:

    • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
    • Code is considered more complex for each "break in the linear flow of the code"
    • Code is considered more complex when "flow breaking structures are nested"

    Further reading

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

    KafkaSocket.prototype.getMessageTime = function(json) {
    // Default to extracting time from wrapped payload
    if (null != json && null != json.wrappedPayload && null != json.wrappedPayload.p) {
        var time = json.wrappedPayload.p.time;
        logger.debug('%s: Extracted message time of %d', this.name, time);
    Severity: Major
    Found in src/server/app/util/sockets/kafka.server.socket.js and 1 other location - About 5 hrs to fix
    src/server/app/util/sockets/event.server.socket.js on lines 85..98

    Duplicated Code

    Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

    Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

    When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

    Tuning

    This issue has a mass of 149.

    We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

    The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

    If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

    See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

    Refactorings

    Further Reading

    Identical blocks of code found in 2 locations. Consider refactoring.
    Open

                q(msg).then(function(msg) {
                if (null != msg) {
                    self.emitMessage(self.getEmitType(), msg);
                }
            }).fail(function(err) {
    Severity: Major
    Found in src/server/app/util/sockets/kafka.server.socket.js and 1 other location - About 3 hrs to fix
    src/server/app/util/sockets/event.server.socket.js on lines 187..195

    Duplicated Code

    Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

    Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

    When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

    Tuning

    This issue has a mass of 101.

    We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

    The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

    If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

    See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

    Refactorings

    Further Reading

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

    KafkaSocket.prototype.ignorePayload = function(rawMessage, json, consumer) {
    // Ignore any payloads that are too old.
    if (null != ignoreOlderThan) {
        var now = Date.now();
        var messageTime = this.getMessageTime(json);
    Severity: Major
    Found in src/server/app/util/sockets/kafka.server.socket.js and 1 other location - About 3 hrs to fix
    src/server/app/util/sockets/event.server.socket.js on lines 107..120

    Duplicated Code

    Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

    Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

    When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

    Tuning

    This issue has a mass of 101.

    We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

    The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

    If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

    See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

    Refactorings

    Further Reading

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

    KafkaSocket.prototype.error = function(err) {
    logger.error(err, '%s: Client connection error', this.name);
    this.unsubscribe(null);
};
    Severity: Minor
    Found in src/server/app/util/sockets/kafka.server.socket.js and 1 other location - About 55 mins to fix
    src/server/app/util/sockets/event.server.socket.js on lines 38..41

    Duplicated Code

    Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

    Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

    When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

    Tuning

    This issue has a mass of 53.

    We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

    The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

    If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

    See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

    Refactorings

    Further Reading

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

    KafkaSocket.prototype.disconnect = function() {
    logger.info('%s: Disconnected from client.', this.name);
    this.unsubscribe(null);
};
    Severity: Minor
    Found in src/server/app/util/sockets/kafka.server.socket.js and 1 other location - About 50 mins to fix
    src/server/app/util/sockets/event.server.socket.js on lines 30..33

    Duplicated Code

    Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

    Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

    When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

    Tuning

    This issue has a mass of 51.

    We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

    The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

    If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

    See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

    Refactorings

    Further Reading

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

    KafkaSocket.prototype.emitMessage = function(emitType, msg) {
    this.getSocket().emit(emitType, msg);
};
    Severity: Minor
    Found in src/server/app/util/sockets/kafka.server.socket.js and 1 other location - About 30 mins to fix
    src/server/app/util/sockets/event.server.socket.js on lines 129..131

    Duplicated Code

    Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

    Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

    When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

    Tuning

    This issue has a mass of 45.

    We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

    The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

    If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

    See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

    Refactorings

    Further Reading

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