Starting summary model

This is rather large...

src/main/kotlin/me/msoucy/gbat/Models.kt

@@ -1,7 +1,9 @@
 package me.msoucy.gbat
 
 import java.io.File
+import java.nio.file.Paths
 import kotlin.io.forEachLine
+import org.jetbrains.exposed.dao.id.IntIdTable
 import org.jetbrains.exposed.sql.*
 import org.jetbrains.exposed.sql.transactions.transaction
 
@@ -97,21 +99,20 @@ class LineModel() {
 }
 
 
-class KnowledgeModel(val constant : Double, val riskModel : RiskModel) {
+class KnowledgeModel(val db : Database, val constant : Double, val riskModel : RiskModel) {
+
     class KnowledgeAcct(var knowledgeAcctId : Int,
                         var authors : List<String>,
                         var authorsStr : String)
 
     object AuthorsTable : Table("authors") {
-        val id = integer("id")
+        val id = integer("authorid")
-        val author = text("author")
+        val author = text("author").uniqueIndex("authors_idx")
-        val idx = integer("idx").uniqueIndex()
         override val primaryKey = PrimaryKey(id)
     }
     object KnowledgeAcctsTable : Table("knowledgeaccts") {
-        val id = integer("id")
+        val id = integer("knowledgeacctid")
-        val authors = text("authors")
+        val authors = text("authors").uniqueIndex("knowledgeacctsauthors_idx")
-        val idx = integer("idx").uniqueIndex()
         override val primaryKey = PrimaryKey(id)
     }
     object KnowledgeAuthorsTable : Table("knowedgeaccts_authors") {
@@ -125,6 +126,10 @@ class KnowledgeModel(val constant : Double, val riskModel : RiskModel) {
         val knowledge = double("knowledge")
     }
 
+    init {
+        createTables()
+    }
+
     val SAFE_AUTHOR_ID = 1
     val SAFE_KNOWLEDGE_ACCT_ID = 1
     val KNOWLEDGE_PER_LINE_ADDED = 1000.0
@@ -160,7 +165,7 @@ class KnowledgeModel(val constant : Double, val riskModel : RiskModel) {
         adjustKnowledge(knowledgeAcctId, lineNum, KNOWLEDGE_PER_LINE_ADDED)
     }
 
-    fun knowledgeSummary(lineNum : Int) = transaction {
+    fun knowledgeSummary(lineNum : Int) = transaction(db) {
         LineKnowledge.select {
             LineKnowledge.linenum eq lineNum
         }.map {
@@ -171,7 +176,7 @@ class KnowledgeModel(val constant : Double, val riskModel : RiskModel) {
         }.copyOf()
     }
 
-    private fun bumpAllLinesFrom(lineNum : Int, adjustment : Int) = transaction {
+    private fun bumpAllLinesFrom(lineNum : Int, adjustment : Int) = transaction(db) {
         LineKnowledge.update({LineKnowledge.linenum greater lineNum}) {
             with(SqlExpressionBuilder) {
                 it[LineKnowledge.linenum] = LineKnowledge.linenum + adjustment
@@ -179,7 +184,7 @@ class KnowledgeModel(val constant : Double, val riskModel : RiskModel) {
         }
     }
 
-    private fun getKnowledgeAcct(knowledgeAcctId : Int) = transaction {
+    private fun getKnowledgeAcct(knowledgeAcctId : Int) = transaction(db) {
         KnowledgeAcctsTable.select {
             KnowledgeAcctsTable.id eq knowledgeAcctId
         }.map {
@@ -191,7 +196,7 @@ class KnowledgeModel(val constant : Double, val riskModel : RiskModel) {
         }.first()
     }
 
-    private fun destroyLineKnowledge(knowledgeId : Int, lineNum : Int) = transaction {
+    private fun destroyLineKnowledge(knowledgeId : Int, lineNum : Int) = transaction(db) {
         LineKnowledge.deleteWhere {
             (LineKnowledge.knowledgeacctid eq knowledgeId) and
             (LineKnowledge.linenum eq lineNum)
@@ -226,7 +231,7 @@ class KnowledgeModel(val constant : Double, val riskModel : RiskModel) {
         }
     }
 
-    private fun knowledgeInAcct(knowledgeAcctId : Int, lineNum : Int) = transaction {
+    private fun knowledgeInAcct(knowledgeAcctId : Int, lineNum : Int) = transaction(db) {
         LineKnowledge.select {
             (LineKnowledge.knowledgeacctid eq knowledgeAcctId) and
             (LineKnowledge.linenum eq lineNum)
@@ -235,7 +240,7 @@ class KnowledgeModel(val constant : Double, val riskModel : RiskModel) {
         }.first()
     }
 
-    private fun nonSafeAcctsWithKnowledgeOf(lineNum : Int) = transaction {
+    private fun nonSafeAcctsWithKnowledgeOf(lineNum : Int) = transaction(db) {
         LineKnowledge.select {
             (LineKnowledge.linenum eq lineNum) and
             (LineKnowledge.knowledgeacctid neq SAFE_KNOWLEDGE_ACCT_ID)
@@ -244,7 +249,7 @@ class KnowledgeModel(val constant : Double, val riskModel : RiskModel) {
         }
     }
 
-    private fun allAcctsWithKnowledgeOf(lineNum : Int) = transaction {
+    private fun allAcctsWithKnowledgeOf(lineNum : Int) = transaction(db) {
         LineKnowledge.select {
             LineKnowledge.linenum eq lineNum
         }.map {
@@ -252,7 +257,7 @@ class KnowledgeModel(val constant : Double, val riskModel : RiskModel) {
         }
     }
 
-    private fun adjustKnowledge(knowledgeAcctId : Int, lineNum : Int, adjustment : Double) = transaction {
+    private fun adjustKnowledge(knowledgeAcctId : Int, lineNum : Int, adjustment : Double) = transaction(db) {
         val lineExists = LineKnowledge.select {
             (LineKnowledge.knowledgeacctid eq knowledgeAcctId) and
             (LineKnowledge.linenum eq lineNum)
@@ -274,7 +279,7 @@ class KnowledgeModel(val constant : Double, val riskModel : RiskModel) {
         }
     }
 
-    private fun lookupOrCreateKnowledgeAcct(authors : List<String>) = transaction {
+    private fun lookupOrCreateKnowledgeAcct(authors : List<String>) = transaction(db) {
         val authorStr = authors.sorted().joinToString("\n")
         var newId = -1
         KnowledgeAcctsTable.select {
@@ -293,8 +298,7 @@ class KnowledgeModel(val constant : Double, val riskModel : RiskModel) {
                 it[KnowledgeAcctsTable.id]
             }.first()
 
-            authors.map(::lookupOrCreateAuthor).
+            authors.map(::lookupOrCreateAuthor).forEach { authorId ->
-            forEach { authorId ->
                 KnowledgeAuthorsTable.insert {
                     it[KnowledgeAuthorsTable.knowledgeacctid] = newId
                     it[KnowledgeAuthorsTable.authorid] = authorId
@@ -304,27 +308,26 @@ class KnowledgeModel(val constant : Double, val riskModel : RiskModel) {
         newId
     }
 
-    private fun lookupOrCreateAuthor(authorName : String) = transaction {
+    private fun lookupOrCreateAuthor(authorName : String) = transaction(db) {
         AuthorsTable.insertIgnore { 
             it[author] = authorName
         }
         AuthorsTable.select {
             AuthorsTable.author eq authorName
-        }.fetchSize(1).
+        }.fetchSize(1).map {
-        map {
             it[AuthorsTable.id]
         }.first()
     }
     
-    private fun totalLineKnowledge(linenum : Int) = transaction {
+    private fun totalLineKnowledge(linenum : Int) = transaction(db) {
         LineKnowledge.select {
             LineKnowledge.linenum eq linenum
-        }.fetchSize(1).
+        }.fetchSize(1).map {
-        map { it[LineKnowledge.knowledge] }.
+            it[LineKnowledge.knowledge]
-        sum()
+        }.first()
     }
 
-    private fun createTables() = transaction {
+    private fun createTables() = transaction(db) {
         SchemaUtils.createMissingTablesAndColumns(AuthorsTable, KnowledgeAcctsTable, KnowledgeAuthorsTable, LineKnowledge)
         AuthorsTable.insertIgnore { 
             it[id] = 1
@@ -340,3 +343,265 @@ class KnowledgeModel(val constant : Double, val riskModel : RiskModel) {
         }
     }
 }
+
+class SummaryModel(val db : Database) {
+
+    object ProjectTable : IntIdTable("projects", "projectid") {
+        val project = text("project").uniqueIndex("project_idx")
+    }
+    object DirsTable : IntIdTable("dirs", "dirid") {
+        val dir = text("dir")
+        val parentdirid = integer("parentdirid")
+        val projectid = integer("projectid")
+        val dirsproj_idx = uniqueIndex("dirsproj_idx", dir, parentdirid, projectid)
+    }
+    object FilesTable : IntIdTable("files", "fileid") {
+        val fname = text("fname")
+        val dirid = integer("dirid").index("filesdir_idx")
+    }
+    object LinesTable : IntIdTable("lines", "lineid") {
+        val line = text("line")
+        val fileid = integer("fileid").index("linesfile_idx")
+        val linenum = integer("linenum")
+        val linesnumfile_idx = uniqueIndex("linesnumfile_idx", fileid, linenum)
+    }
+    object AuthorsTable : IntIdTable("authors", "authorid") {
+        val author = text("author").uniqueIndex("authorstrs_idx")
+    }
+    object AuthorsGroupsTable : IntIdTable("authorgroups", "authorgroupid") {
+        val authors = text("authorsstr").uniqueIndex("authorgroupsstrs_idx")
+    }
+    object AuthorsAuthorGroupsTable : Table("authors_authorgroups") {
+        val authorid = integer("authorid")
+        val groupid = integer("authorgroupid")
+        override val primaryKey = PrimaryKey(authorid, groupid)
+    }
+    object AllocationsTable : IntIdTable("allocations", "allocationid") {
+        val knowledge = double("knowledge")
+        val risk = double("risk")
+        val orphaned = double("orphaned")
+        val lineid = integer("lineid").index("linealloc_idx")
+        val authorgroupid = integer("authorgroupid")
+    }
+
+    val GIT_BY_A_BUS_BELOW_THRESHOLD = "Git by a Bus Safe Author"
+
+    init {
+        createTables()
+    }
+
+    data class Statistics(var totKnowledge : Double = 0.0,
+                          var totRisk : Double = 0.0,
+                          var totOrphaned : Double = 0.0) {
+        constructor(row : ResultRow) :
+            this(row[AllocationsTable.knowledge.sum()] ?: 0.0,
+                 row[AllocationsTable.risk.sum()] ?: 0.0,
+                 row[AllocationsTable.orphaned.sum()] ?: 0.0) {}
+    }
+    data class AuthorRisk(var stats : Statistics = Statistics())
+    data class LineDict(var stats : Statistics = Statistics(), var authorRisks : MutableMap<String, AuthorRisk> = mutableMapOf())
+    class FileTree(var name : String = "",
+                   var stats : Statistics = Statistics(),
+                   var authorRisks : MutableMap<String, AuthorRisk> = mutableMapOf(),
+                   var lines : MutableList<LineDict> = mutableListOf())
+
+    fun fileSummary(fileId : Int) = transaction(db) {
+        var fileTree = FileTree()
+        val joinA = Join(LinesTable, AllocationsTable,
+            JoinType.LEFT,
+            LinesTable.id, AllocationsTable.lineid)
+        val joinB = Join(joinA, AuthorsGroupsTable,
+            JoinType.LEFT,
+            AuthorsGroupsTable.id, AllocationsTable.authorgroupid
+        )
+        joinB.select {
+            LinesTable.fileid eq fileId
+        }.groupBy(AuthorsGroupsTable.id).forEach { row ->
+            val authors = row[AuthorsGroupsTable.authors]
+            fileTree.authorRisks[authors] =
+                AuthorRisk(Statistics(row))
+        }
+        Join(joinA, FilesTable,
+            JoinType.LEFT,
+            LinesTable.fileid, FilesTable.id
+        ).select {
+            LinesTable.fileid eq fileId
+        }.fetchSize(1).forEach { row ->
+            fileTree.stats = Statistics(row)
+        }
+
+        fileTree.name = FilesTable.select {
+            FilesTable.id eq fileId
+        }.map { it[FilesTable.fname] }.first()
+
+        LinesTable.select {
+            LinesTable.fileid eq fileId
+        }.map {
+            it[LinesTable.id].value
+        }.forEach { lineId ->
+            val lineDict = LineDict()
+            joinB.select {
+                LinesTable.id eq lineId
+            }.groupBy(AuthorsGroupsTable.id).forEach { lineRow ->
+                lineDict.authorRisks[lineRow[AuthorsGroupsTable.authors]] = AuthorRisk(Statistics(lineRow))
+            }
+
+            joinA.select {
+                LinesTable.id eq lineId
+            }.fetchSize(1).forEach {
+                lineDict.stats = Statistics(it)
+            }
+            fileTree.lines.add(lineDict)
+        }
+        fileTree
+    }
+
+    fun fileLines(fileId : Int) : List<String> = transaction(db) {
+        LinesTable.select {
+            LinesTable.fileid eq fileId
+        }.orderBy(LinesTable.linenum).map {
+            it[LinesTable.line]
+        }
+    }
+
+    private fun Double?.zeroIfNone() = this ?: 0.0
+
+    private fun reconsDir(dirId : Int) = transaction(db) {
+        val segs = mutableListOf<String>()
+        var newDirId = dirId
+        while(newDirId != 0) {
+            DirsTable.select {
+                DirsTable.id eq newDirId
+            }.forEach {
+                segs.add(it[DirsTable.dir])
+                newDirId = it[DirsTable.parentdirid]
+            }
+        }
+        Paths.get(segs.reversed().joinToString("/")).normalize()
+    }
+
+    private fun safeAuthorName(author : String?) = author ?: GIT_BY_A_BUS_BELOW_THRESHOLD
+
+    private fun createAllocation(knowledge : Double, risk : Double, orphaned : Double, authorGroupId : Int, lineId : Int) = transaction(db) {
+        AllocationsTable.insert {
+            it[AllocationsTable.knowledge] = knowledge
+            it[AllocationsTable.risk] = risk
+            it[AllocationsTable.orphaned] = orphaned
+            it[AllocationsTable.lineid] = lineId
+            it[AllocationsTable.authorgroupid] = authorGroupId
+        }
+    }
+
+    private fun findOrCreateAuthorGroup(authors : List<String>) : Int = transaction(db) {
+        val authorsstr = authors.joinToString("\n")
+        var authorGroupId = AuthorsGroupsTable.select {
+            AuthorsGroupsTable.authors eq authorsstr
+        }.map {
+            it[AuthorsGroupsTable.id].value
+        }.firstOrNull()
+
+        if (authorGroupId == null) {
+            authorGroupId = AuthorsGroupsTable.insertAndGetId {
+                it[AuthorsGroupsTable.authors] = authorsstr
+            }.value
+            authors.forEach {
+                val authorId = findOrCreateAuthor(it)
+                AuthorsAuthorGroupsTable.insert {
+                    it[AuthorsAuthorGroupsTable.authorid] = authorId
+                    it[AuthorsAuthorGroupsTable.groupid] = authorGroupId
+                }
+            }
+        }
+        authorGroupId
+    }
+
+    private fun findOrCreateAuthor(author : String) : Int = transaction(db) {
+        AuthorsTable.insertIgnore {
+            it[AuthorsTable.author] = author
+        }
+        ProjectTable.select {
+            AuthorsTable.author eq author
+        }.map {
+            it[AuthorsTable.id].value
+        }.first()
+    }
+
+    private fun createLine(line : String, lineNum : Int, fileId : Int) = transaction(db) {
+        LinesTable.insertAndGetId {
+            it[LinesTable.line] = line
+            it[LinesTable.linenum] = lineNum
+            it[LinesTable.fileid] = fileId
+        }.value
+    }
+
+    private fun createFile(fname : String, parentDirId : Int) = transaction(db) {
+        FilesTable.insertAndGetId {
+            it[FilesTable.fname] = fname
+            it[FilesTable.dirid] = parentDirId
+        }.value
+    }
+
+    private fun findOrCreateProject(project : String) : Int = transaction(db) {
+        ProjectTable.insertIgnore {
+            it[ProjectTable.project] = project
+        }
+        ProjectTable.select {
+            ProjectTable.project eq project
+        }.map {
+            it[ProjectTable.id].value
+        }.first()
+    }
+
+    private fun findOrCreateDir(dirname : String, projectId : Int, parentDirId : Int) : Int = transaction(db) {
+        DirsTable.insertIgnoreAndGetId {
+            it[dir] = dirname
+            it[parentdirid] = parentDirId
+            it[projectid] = projectId
+        }
+        DirsTable.select {
+            DirsTable.dir eq dirname
+            DirsTable.parentdirid eq parentDirId
+            DirsTable.projectid eq projectId
+        }.map {
+            it[DirsTable.id]
+        }.first().value
+    }
+
+    private fun splitAllDirs(dirname : File) = dirname.toPath().iterator().asSequence().toList()
+
+    private fun adjustFname(repoRoot : File, projectRoot : File, fname : File) : File {
+        var rootDiff = projectRoot.relativeTo(repoRoot)
+        return if(rootDiff.toString().length != 0) {
+            fname.relativeTo(rootDiff)
+        } else {
+            fname
+        }
+    }
+
+    private fun reconsDirs(dirId : Int) = transaction(db) {
+        val dirs = mutableListOf<String>()
+        var parentDirId = dirId
+        while(parentDirId != 0) {
+            DirsTable.select {
+                DirsTable.id eq parentDirId
+            }.fetchSize(1).
+            forEach {
+                dirs.add(it[DirsTable.dir])
+                parentDirId = it[DirsTable.parentdirid]
+            }
+        }
+        dirs.reversed()
+    }
+
+    private fun createTables() = transaction(db) {
+        SchemaUtils.createMissingTablesAndColumns(
+            ProjectTable,
+            FilesTable,
+            LinesTable,
+            AuthorsTable,
+            AuthorsGroupsTable,
+            AuthorsAuthorGroupsTable,
+            AllocationsTable
+        )
+    }
+}