add staticAnalysis gradle

gradle/scripts/staticAnalysis.gradle

@@ -0,0 +1,243 @@
+import groovy.transform.InheritConstructors
+import groovy.transform.ToString
+import groovy.transform.TupleConstructor
+import groovy.xml.MarkupBuilder
+
+apply plugin: 'io.gitlab.arturbosch.detekt'
+
+task staticAnalysis {
+
+    dependsOn 'cleanAnalyzerReports'
+    if (static_analyzer_enable_detekt) {
+        dependsOn ':detekt'
+    }
+    if (static_analyzer_enable_lint) {
+        dependsOn ':app:lint'
+    }
+
+    doLast {
+        def reportDir = new File(static_analyzer_report_dir)
+
+        def detektErrors = collectDetektCodeAnalyzerErrors(reportDir)
+        def lintErrors = collectLintCodeAnalyzerErrors(reportDir)
+
+        def totalReportFile = new File(reportDir, 'total_report.html')
+
+        totalReportFile << generateReportHtml(detektErrors, lintErrors)
+
+        println("|----------------------static_analyzer--------------------------------")
+        println("| static_analyzer_fail_on_lint_error   : $static_analyzer_fail_on_lint_error")
+        println("| static_analyzer_fail_on_detect_error : $static_analyzer_fail_on_detect_error")
+        println("|")
+        println("| total_detekt_errors                  : ${detektErrors.size()}" + (static_analyzer_enable_detekt ? "" : " [DISABLED]"))
+        println("| total_lint_errors                    : ${lintErrors.size()}" + (static_analyzer_enable_lint ? "" : " [DISABLED]"))
+        println("| total_errors                         : ${detektErrors.size() + lintErrors.size()}")
+        println("|")
+        println("| Successfully generated HtmlTotalReport at ${totalReportFile.path}")
+        println("|-------------------------------------------------------------------")
+
+        if (static_analyzer_fail_on_lint_error || static_analyzer_fail_on_detect_error) {
+            def message = ""
+            def hasLintError = static_analyzer_fail_on_lint_error && !lintErrors.isEmpty()
+            def hasDetektError = static_analyzer_fail_on_detect_error && !detektErrors.isEmpty()
+
+            if (hasLintError) {
+                message += "There is ${lintErrors.size()} lint errors; "
+            }
+            if (hasDetektError) {
+                message += "There is ${detektErrors.size()} detekt errors; "
+            }
+
+            if (hasLintError || hasDetektError) {
+                message += "\n See report at ${totalReportFile.path}"
+                throw new StaticAnalysisException(message)
+            }
+        }
+    }
+}
+
+detekt {
+    debug = true
+    //filters = ".*test.*,.*androidTest.*,.*//*resources/.*,.*//*build/.*"
+    input = files("$rootDir/app/src/main/kotlin", "$rootDir/data/src/main/kotlin", "$rootDir/domain/src/main/kotlin")
+    config = files("$static_analyzer_config_dir/detekt-config.yml")
+
+    reports {
+        xml {
+            enabled = true
+            destination = file("$static_analyzer_report_dir/report_detekt.xml")
+        }
+        html {
+            enabled = false
+        }
+    }
+}
+
+task cleanAnalyzerReports(type: Delete) {
+    delete static_analyzer_report_dir
+}
+
+static def collectDetektCodeAnalyzerErrors(File reportDir) {
+
+    def detektReport = new File("$reportDir/report_detekt.xml")
+
+    if (detektReport == null) {
+        println("can't find detekt report")
+        return Collections.emptyList()
+    }
+
+    return new XmlSlurper()
+            .parse(detektReport)
+            .children()
+            .inject(new ArrayList<CodeAnalyzerError>()) { acc, file ->
+
+        println(file)
+
+        def fileName = file.@name
+
+        file.children().each { error ->
+            acc.add(
+                    new CodeAnalyzerError(
+                            position: "$fileName:${error.@line ?: "-"}:${error.@column ?: "-"}",
+                            severity: error.@severity,
+                            message: error.@message,
+                            source: error.@source
+                    )
+            )
+        }
+
+        acc
+    }
+    .sort { error -> error.position }
+}
+
+static def collectLintCodeAnalyzerErrors(File reportDir) {
+
+    def lintReports = reportDir.listFiles().findAll { file -> file.name.matches("^lint.*xml\$") }
+
+    if (lintReports == null || lintReports.isEmpty()) {
+        println("can't find any lint report")
+        return Collections.emptyList()
+    }
+
+
+    return lintReports.inject(new ArrayList<CodeAnalyzerError>()) { acc, report ->
+        acc.addAll(parseLintReport(report))
+        acc
+    }.sort { error -> error.position }
+}
+
+static def parseLintReport(File report) {
+
+    return new XmlSlurper()
+            .parse(report)
+            .children()
+            .inject(new ArrayList<CodeAnalyzerError>()) { acc, issue ->
+
+        def fileName = issue.location.@file
+        def line = issue.location.@line ?: "-"
+        def column = issue.location.@column ?: "-"
+
+        acc.add(
+                new CodeAnalyzerError(
+                        position: "$fileName:$line:$column",
+                        severity: issue.@severity,
+                        message: issue.@message,
+                        source: issue.@id
+                )
+        )
+        acc
+    }
+}
+
+MarkupBuilder.metaClass.appendErrorsTable { errors ->
+    delegate.table {
+        tr {
+            th(["class": "Position"], "Position")
+            th(["class": "Severity"], "Severity")
+            th(["class": "Source"], "Source")
+            th(["class": "Message"], "Message")
+        }
+
+        errors.forEach { error ->
+            tr {
+                td(error.position)
+                td(error.severity.toLowerCase())
+                td(error.source)
+                td(error.message)
+            }
+        }
+    }
+}
+
+static
+def generateReportHtml(List<CodeAnalyzerError> detektErrors, List<CodeAnalyzerError> lintErrors) {
+    def sb = new StringWriter()
+
+    def html = new MarkupBuilder(sb)
+
+    html.doubleQuotes = true
+    html.expandEmptyElements = true
+    html.omitEmptyAttributes = false
+    html.omitNullAttributes = false
+
+    html.html(lang: 'en') {
+        head {
+            meta('http-equiv': '"Content-Type" content="text/html; charset=utf-8"')
+            title('Static analyzer report')
+            mkp.yieldUnescaped(getErrorTableStyle())
+        }
+        body {
+            println("class: " + owner)
+
+            h2("Detekt errors: ${detektErrors.size()}")
+            appendErrorsTable(detektErrors)
+
+            h2("Lint errors: ${lintErrors.size()}")
+            appendErrorsTable(lintErrors)
+        }
+    }
+
+    return sb.toString()
+}
+
+static def getErrorTableStyle() {
+    return """
+        <style>
+            h2 { margin-top: 50px; }
+
+            table {
+                border-collapse: collapse;
+                border-spacing: 0;
+                width: 100%;
+                table-layout: fixed;
+                border: 1px solid #ddd;
+            }
+
+            th, td {
+                text-align: left;
+                padding: 8px;
+                word-wrap: break-word;
+            }
+
+            tr:nth-child(even) { background-color: #f2f2f2; }
+
+            .Position { width: 40%; }
+
+            .Severity { width: 10%; }
+
+            .Source { width: 15%; }
+
+            .Message { width: 35%; }
+        </style>
+    """
+}
+
+@ToString
+@TupleConstructor
+class CodeAnalyzerError {
+    String position, severity, message, source
+}
+
+@InheritConstructors
+class StaticAnalysisException extends GradleException {}