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cmta/src/main/scala/com/lunatech/cmt/admin/command/New.scala
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| Original file line number | Diff line number | Diff line change |
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| package com.lunatech.cmt.admin.command | ||
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| import caseapp.{AppName, CommandName, ExtraName, HelpMessage, RemainingArgs, ValueDescription} | ||
| import com.lunatech.cmt.{CmtError, printResult} | ||
| import com.lunatech.cmt.admin.Domain.{ConfigurationFile, CourseTemplate} | ||
| import com.lunatech.cmt.client.command.Executable | ||
| import com.lunatech.cmt.core.validation.Validatable | ||
| import com.lunatech.cmt.admin.cli.ArgParsers.{configurationFileArgParser, courseTemplateArgParser} | ||
| import com.lunatech.cmt.client.Configuration | ||
| import com.lunatech.cmt.client.cli.CmtcCommand | ||
| import com.lunatech.cmt.Domain.InstallationSource.* | ||
| import com.lunatech.cmt.Helpers.ignoreProcessStdOutStdErr | ||
| import sbt.io.IO as sbtio | ||
| import sbt.io.syntax.* | ||
| import com.lunatech.cmt.* | ||
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| import cats.syntax.either.* | ||
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| import java.io.FileFilter | ||
| import sys.process.* | ||
| import util.{Try, Success, Failure} | ||
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| object New: | ||
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| private final case class TagSet(tags: Vector[String]) | ||
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| @AppName("new") | ||
| @CommandName("new") | ||
| @HelpMessage( | ||
| "Create a new course from an existing course template in a Github repository - by default the `lunatech-labs` organisation is used.") | ||
| final case class Options( | ||
| @ExtraName("t") | ||
| @ValueDescription( | ||
| "the template course to use - provide in the format 'organisation/project' or just 'project' if the project is in the lunatech-labs organisation on Github") | ||
| template: CourseTemplate, | ||
| @ExtraName("c") | ||
| @ValueDescription("The (optional) configuration file to use during processing of the command") | ||
| @HelpMessage( | ||
| "if not specified will default to the config file present in the directory provided by the --main-repository argument") | ||
| maybeConfigFile: Option[ConfigurationFile] = None) | ||
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| given Validatable[New.Options] with | ||
| extension (options: New.Options) | ||
| def validated(): Either[CmtError, New.Options] = | ||
| Right(options) | ||
| end given | ||
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| given Executable[New.Options] with | ||
| extension (options: New.Options) | ||
| def execute(configuration: Configuration): Either[CmtError, String] = | ||
| for { | ||
| // list the contents of the ~/Courses directory, if there's anything already matching the | ||
| // name then get the count so we can append to the name and prevent conflicts | ||
| template <- options.template.value | ||
| targetDirectoryName = createTargetDirectoryName(template, configuration) | ||
| newRepo <- newCmtRepoFromGithubProject(template, targetDirectoryName, configuration) | ||
| } yield newRepo | ||
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| private def createTargetDirectoryName(template: GithubProject, configuration: Configuration): String = { | ||
| val existingFilesWithSameName = sbtio.listFiles( | ||
| configuration.coursesDirectory.value, | ||
| new FileFilter { | ||
| override def accept(file: File): Boolean = | ||
| file.name.startsWith(template.project) | ||
| }) | ||
| val discriminator = if (existingFilesWithSameName.size > 0) s"-${existingFilesWithSameName.size}" else "" | ||
| s"${template.project}$discriminator" | ||
| } | ||
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| private def cloneMainRepo(githubProject: GithubProject, tmpDir: File): Either[CmtError, TagSet] = | ||
| val project = githubProject.project | ||
| val organisation = githubProject.organisation | ||
| val tag = githubProject.tag | ||
| val cloneGit = Process(Seq("git", "clone", s"git@github.com:$organisation/$project.git"), tmpDir) | ||
| val cloneGh = Process(Seq("gh", "repo", "clone", s"$organisation/$project"), tmpDir) | ||
| val cloneHttp = Process(Seq("git", "clone", s"https://github.com/$organisation/$project"), tmpDir) | ||
| val cloneRepoStatus = | ||
| Try(cloneGit.!).recoverWith(_ => Try(cloneGh.!)).recoverWith(_ => Try(cloneHttp.!)) match { | ||
| case Success(x) => | ||
| if x == 0 then Right(x) | ||
| else s"Cannot install from ${githubProject.displayName}: No such repo".toExecuteCommandErrorMessage.asLeft | ||
| case Failure(_) => | ||
| s"Cannot install from ${githubProject.displayName}: No such repo".toExecuteCommandErrorMessage.asLeft | ||
| } | ||
| for { | ||
| _ <- cloneRepoStatus | ||
| tags = Process(Seq("git", "tag", "--sort", "v:refname"), tmpDir / project).!!.split("\n").to(Vector) | ||
| } yield TagSet(tags) | ||
|
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| private def newCmtRepoFromGithubProject( | ||
| githubProject: GithubProject, | ||
| targetDirectoryName: String, | ||
| configuration: Configuration): Either[CmtError, String] = | ||
| val tmpDir = sbtio.createTemporaryDirectory | ||
| val installResult = for { | ||
| tagSet <- cloneMainRepo(githubProject, tmpDir) | ||
| result <- downloadAndInstallRepo(githubProject, targetDirectoryName, configuration, tagSet, tmpDir) | ||
| } yield result | ||
| sbtio.delete(tmpDir) | ||
| installResult | ||
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| private def copyRepo( | ||
| githubProject: GithubProject, | ||
| targetDirectoryName: String, | ||
| configuration: Configuration, | ||
| tag: String, | ||
| tmpDir: File): Unit = | ||
| Process(Seq("git", "checkout", tag), tmpDir / githubProject.project).!(ignoreProcessStdOutStdErr) | ||
| sbtio.copyDirectory(tmpDir / githubProject.project, configuration.coursesDirectory.value / targetDirectoryName) | ||
| sbtio.delete(configuration.coursesDirectory.value / targetDirectoryName / ".git") | ||
| Helpers.initializeGitRepo(configuration.coursesDirectory.value / targetDirectoryName) | ||
| val _ = Helpers.commitToGit("Initial commit", configuration.coursesDirectory.value / targetDirectoryName) | ||
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| private def downloadAndInstallRepo( | ||
| githubProject: GithubProject, | ||
| targetDirectoryName: String, | ||
| configuration: Configuration, | ||
| tagSet: TagSet, | ||
| tmpDir: File): Either[CmtError, String] = | ||
| (githubProject.tag, tagSet.tags.isEmpty, tagSet.tags.lastOption) match { | ||
| case (None, _, Some(lastReleaseTag)) => | ||
| copyRepo(githubProject, targetDirectoryName, configuration, lastReleaseTag, tmpDir) | ||
| Right(s"""Project: | ||
| | ${githubProject.copy(tag = Some(lastReleaseTag)).displayName} | ||
| |successfully installed to: | ||
| | ${configuration.coursesDirectory.value}/${targetDirectoryName}""".stripMargin) | ||
| case (Some(tag), false, _) if tagSet.tags.contains(tag) => | ||
| copyRepo(githubProject, targetDirectoryName, configuration, tag, tmpDir) | ||
| Right(s"""Project: | ||
| | ${githubProject.displayName} | ||
| |successfully installed to: | ||
| | ${configuration.coursesDirectory.value}/${targetDirectoryName}""".stripMargin) | ||
| case (Some(tag), false, _) => | ||
| s"Cannot install from ${githubProject.displayName}. No such tag: $tag".toExecuteCommandErrorMessage.asLeft | ||
| case (Some(_), true, _) | (None, _, None) => | ||
| s"Cannot install from ${githubProject.displayName}: No releases found".toExecuteCommandErrorMessage.asLeft | ||
| } | ||
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| val command = new CmtcCommand[New.Options] { | ||
| def run(options: New.Options, args: RemainingArgs): Unit = | ||
| options.validated().flatMap(_.execute(configuration)).printResult() | ||
| } | ||
|
|
||
| end New |
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