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JohTJohT
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Add git history file overview treemap
1 parent 4e667aa commit 1e962e5

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‎cypher/GitLog/List_git_files_directories.cypher

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// List git file directories and the number of files they contain
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MATCH (git_file:File&Git&!Repository)
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WITH *
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,git_file.relativePath AS gitFileName
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,reverse(split(reverse(git_file.relativePath),'/')[0]) AS gitFileNameWithoutPath
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,(git_file:Directory) AS isDirectory
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WITH *
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,rtrim(split(gitFileName, gitFileNameWithoutPath)[0], '/') AS gitDirectoryPath
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WITH gitDirectoryPath
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,coalesce(nullif(split(gitDirectoryPath, '/')[-2],''), 'root') AS directoryParentName
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,coalesce(nullif(split(gitDirectoryPath, '/')[-1],''), 'root') AS directoryName
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,size(split(gitDirectoryPath, '/')) AS pathLength
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,count(DISTINCT gitFileName) AS fileCount
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// Debugging
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// ,collect(git_file)[0..4] AS gitFileExamples
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// ,collect(gitFileName) AS gitFileNameExamples
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// ,collect(gitFileNameWithoutPath) AS gitFileNameWithoutPathExamples
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WHERE fileCount > 1
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RETURN gitDirectoryPath
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,directoryParentName
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,directoryName
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,pathLength
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,fileCount
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// Debugging
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// ,gitFileExamples
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// ,gitFileNameExamples
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// ,gitFileNameWithoutPathExamples
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ORDER BY gitDirectoryPath ASC

‎cypher/GitLog/List_git_files_directories_with_commit_statistics.cypher

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// List git file directories and their statistics
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MATCH (git_file:File&Git&!Repository)
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WHERE git_file.deletedAt IS NULL // filter out deleted files
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ORDER BY git_file.relativePath
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WITH percentileDisc(git_file.createdAtEpoch, 0.5) AS medianCreatedAtEpoch
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,percentileDisc(git_file.lastModificationAtEpoch, 0.5) AS medianLastModificationAtEpoch
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,collect(git_file) AS git_files
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UNWIND git_files AS git_file
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WITH *
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,datetime.fromepochMillis(coalesce(git_file.createdAtEpoch, medianCreatedAtEpoch)) AS fileCreatedAtTimestamp
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,datetime.fromepochMillis(coalesce(git_file.lastModificationAtEpoch, medianLastModificationAtEpoch)) AS fileLastModificationAtTimestamp
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WITH *, split(git_file.relativePath, '/') AS pathElements
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WITH *, pathElements[-1] AS fileName
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MATCH (git_repository:Git&Repository)-[:HAS_FILE]->(git_file)
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MATCH (git_commit:Git&Commit)-[:CONTAINS_CHANGE]->(git_change:Git&Change)-[]->(git_file)
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WITH pathElements
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,fileCreatedAtTimestamp
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,fileLastModificationAtTimestamp
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,fileName
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,git_file.relativePath AS fileRelativePath
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,max(git_repository.name) AS repository
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,max(git_commit.sha) AS maxCommitSha
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,COUNT(DISTINCT git_commit.sha) AS commitCount
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,COUNT(DISTINCT git_commit.author) AS authorCount
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,date(max(git_commit.date)) AS lastCommitDate
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UNWIND pathElements AS pathElement
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WITH *
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,coalesce(nullif(split(fileRelativePath, '/' + pathElement)[0], fileRelativePath), '') AS parent
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WITH *
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,coalesce(nullif(parent,'') + '/', '') + pathElement AS directory
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WHERE pathElement <> fileName
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WITH repository AS gitRepositoryName
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,directory AS directoryPath
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,split(directory, '/')[-1] AS directoryName
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,parent AS directoryParentPath
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,split(parent, '/')[-1] AS directoryParentName
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,size(split(directory, '/')) AS directoryPathLength
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,count(DISTINCT fileRelativePath) AS fileCount
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,max(date(fileCreatedAtTimestamp) ) AS lastCreationDate
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,max(date(fileLastModificationAtTimestamp)) AS lastModificationDate
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,sum(commitCount) AS commitCount
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,sum(authorCount) AS authorCount
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,max(maxCommitSha) AS maxCommitSha
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,max(lastCommitDate) AS lastCommitDate
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,duration.inDays(max(lastCommitDate), date()).days AS daysSinceLastCommit
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,duration.inDays(max(fileCreatedAtTimestamp), datetime()).days AS daysSinceLastCreation
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,duration.inDays(max(fileLastModificationAtTimestamp), datetime()).days AS daysSinceLastModification
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// The final results are grouped by the statistic values like file count,...
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RETURN gitRepositoryName
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,fileCount
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,lastCreationDate
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,lastModificationDate
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,commitCount
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,authorCount
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,maxCommitSha
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,lastCommitDate
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,daysSinceLastCommit
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,daysSinceLastCreation
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,daysSinceLastModification
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,collect(directoryPath)[-1] AS directoryPath
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,apoc.text.join(collect(directoryName), '/') AS directoryName
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,collect(directoryParentPath)[0] AS directoryParentPath
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,collect(directoryParentName)[0] AS directoryParentName
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,max(directoryPathLength) AS directoryPathLength
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,count(DISTINCT directoryPath) AS combinedDirectoriesCount

‎cypher/GitLog/List_git_files_directories_with_commit_statistics_no_joined_directories.cypher

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// List git file directories and their statistics
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MATCH (git_file:File&Git&!Repository)
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WHERE git_file.deletedAt IS NULL // filter out deleted files
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ORDER BY git_file.relativePath
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WITH percentileDisc(git_file.createdAtEpoch, 0.5) AS medianCreatedAtEpoch
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,percentileDisc(git_file.lastModificationAtEpoch, 0.5) AS medianLastModificationAtEpoch
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,collect(git_file) AS git_files
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UNWIND git_files AS git_file
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WITH *
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,datetime.fromepochMillis(coalesce(git_file.createdAtEpoch, medianCreatedAtEpoch)) AS fileCreatedAtTimestamp
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,datetime.fromepochMillis(coalesce(git_file.lastModificationAtEpoch, medianLastModificationAtEpoch)) AS fileLastModificationAtTimestamp
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WITH *, split(git_file.relativePath, '/') AS pathElements
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WITH *, pathElements[-1] AS fileName
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MATCH (git_repository:Git&Repository)-[:HAS_FILE]->(git_file)
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MATCH (git_commit:Git&Commit)-[:CONTAINS_CHANGE]->(git_change:Git&Change)-[]->(git_file)
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WITH pathElements
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,fileCreatedAtTimestamp
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,fileLastModificationAtTimestamp
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,fileName
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,git_file.relativePath AS fileRelativePath
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,max(git_repository.name) AS repository
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,COUNT(DISTINCT git_commit.sha) AS commitCount
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,COUNT(DISTINCT git_commit.author) AS authorCount
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,date(max(git_commit.date)) AS lastCommitDate
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UNWIND pathElements AS pathElement
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WITH *
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,coalesce(nullif(split(fileRelativePath, '/' + pathElement)[0], fileRelativePath), '') AS parent
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WITH *
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,coalesce(nullif(parent,'') + '/', '') + pathElement AS directory
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WHERE pathElement <> fileName
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RETURN repository AS gitRepositoryName
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,directory AS directoryPath
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,split(directory, '/')[-1] AS directoryName
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,parent AS directoryParentPath
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,split(parent, '/')[-1] AS directoryParentName
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,size(split(directory, '/')) AS directoryPathLength
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,count(DISTINCT fileRelativePath) AS fileCount
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,max(date(fileCreatedAtTimestamp) ) AS lastCreationDate
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,max(date(fileLastModificationAtTimestamp)) AS lastModificationDate
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,sum(commitCount) AS commitCount
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,sum(authorCount) AS authorCount
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,max(lastCommitDate) AS lastCommitDate
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,duration.inDays(max(lastCommitDate), date()).days AS daysSinceLastCommit
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,duration.inDays(max(fileCreatedAtTimestamp), datetime()).days AS daysSinceLastCreation
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,duration.inDays(max(fileLastModificationAtTimestamp), datetime()).days AS daysSinceLastModification
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// Debugging
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//,collect(DISTINCT fileRelativePath)[0..4] AS relativePathExamples
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//,collect(DISTINCT fileName)[0..4] AS fileNameExamples

‎cypher/Validation/ValidateGitHistory.cypher

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// Check if there is at least one Git:Commit pointing to a Git:Change containing a Git:File
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MATCH (commit:Git:Commit)-[:CONTAINS_CHANGE]->(change:Git:Change)-->(file:Git:File)
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RETURN commit.sha AS commitSha
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LIMIT 1

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