Introduce Container ADRs in Decision Tab

docs/example/internet-banking-system/adr/0001-record-architecture-decisions.md

@@ -1,4 +1,4 @@
-# 1. Record architecture decisions
+# 1. Record Internet Banking System architecture decisions
 
 Date: 2022-06-21
 

docs/example/internet-banking-system/api-application/adr/0001-record-architecture-decisions.md

@@ -0,0 +1,19 @@
+# 1. Record API Application architecture decision records
+
+Date: 2022-06-21
+
+## Status
+
+Accepted
+
+## Context
+
+We need to record the architectural decisions made on this project.
+
+## Decision
+
+We will use Architecture Decision Records, as [described by Michael Nygard](http://thinkrelevance.com/blog/2011/11/15/documenting-architecture-decisions).
+
+## Consequences
+
+See Michael Nygard's article, linked above. For a lightweight ADR toolset, see Nat Pryce's [adr-tools](https://github.com/npryce/adr-tools).

docs/example/workspace.dsl

@@ -42,6 +42,7 @@ workspace "Big Bank plc" "This is an example workspace to illustrate the key fea
                 mobileApp = container "Mobile App" "Provides a limited subset of the Internet banking functionality to customers via their mobile device." "Xamarin" "Mobile App"
                 webApplication = container "Web Application" "Delivers the static content and the Internet banking single page application." "Java and Spring MVC"
                 apiApplication = container "API Application" "Provides Internet banking functionality via a JSON/HTTPS API." "Java and Spring MVC" {
+                    !adrs internet-banking-system/api-application/adr
                     signinController = component "Sign In Controller" "Allows users to sign in to the Internet Banking System." "Spring MVC Rest Controller"
                     accountsSummaryController = component "Accounts Summary Controller" "Provides customers with a summary of their bank accounts." "Spring MVC Rest Controller"
                     resetPasswordController = component "Reset Password Controller" "Allows users to reset their passwords with a single use URL." "Spring MVC Rest Controller"

src/main/kotlin/nl/avisi/structurizr/site/generatr/StructurizrUtilities.kt

@@ -23,8 +23,12 @@ val SoftwareSystem.includedProperties
 
 fun SoftwareSystem.hasDecisions() = documentation.decisions.isNotEmpty()
 
+fun SoftwareSystem.hasContainerDecisions() = containers.any { it.hasDecisions() }
+
 fun SoftwareSystem.hasDocumentationSections() = documentation.sections.size >= 2
 
+fun Container.hasDecisions() = documentation.decisions.isNotEmpty()
+
 fun ViewSet.hasSystemContextViews(softwareSystem: SoftwareSystem) =
     systemContextViews.any { it.softwareSystem == softwareSystem }
 

src/main/kotlin/nl/avisi/structurizr/site/generatr/site/SiteGenerator.kt

@@ -137,6 +137,15 @@ private fun generateHtmlFiles(context: GeneratorContext, branchDir: File) {
                 add { writeHtmlFile(branchDir, SoftwareSystemDecisionPageViewModel(context, it, decision)) }
             }
 
+            it.containers
+                    .filter { container -> container.documentation.decisions.isNotEmpty() }
+                    .forEach { container ->
+                        add { writeHtmlFile(branchDir, SoftwareSystemContainerDecisionsPageViewModel(context, container)) }
+                        container.documentation.decisions.forEach { decision ->
+                            add { writeHtmlFile(branchDir, SoftwareSystemContainerDecisionPageViewModel(context, container, decision)) }
+                        }
+                    }
+
             it.documentation.sections.filter { section -> section.order != 1 }.forEach { section ->
                 add { writeHtmlFile(branchDir, SoftwareSystemSectionPageViewModel(context, it, section)) }
             }
@@ -157,6 +166,8 @@ private fun writeHtmlFile(exportDir: File, viewModel: PageViewModel) {
                 is SoftwareSystemHomePageViewModel -> softwareSystemHomePage(viewModel)
                 is SoftwareSystemContextPageViewModel -> softwareSystemContextPage(viewModel)
                 is SoftwareSystemContainerPageViewModel -> softwareSystemContainerPage(viewModel)
+                is SoftwareSystemContainerDecisionPageViewModel -> softwareSystemContainerDecisionPage(viewModel)
+                is SoftwareSystemContainerDecisionsPageViewModel -> softwareSystemContainerDecisionsPage(viewModel)
                 is SoftwareSystemComponentPageViewModel -> softwareSystemComponentPage(viewModel)
                 is SoftwareSystemDeploymentPageViewModel -> softwareSystemDeploymentPage(viewModel)
                 is SoftwareSystemDependenciesPageViewModel -> softwareSystemDependenciesPage(viewModel)

src/main/kotlin/nl/avisi/structurizr/site/generatr/site/model/ContainerDecisionsTableViewModel.kt

@@ -0,0 +1,17 @@
+package nl.avisi.structurizr.site.generatr.site.model
+
+import com.structurizr.model.Container
+
+fun PageViewModel.createContainerDecisionsTableViewModel(containers: Collection<Container>, hrefFactory: (Container) -> String) =
+    TableViewModel.create {
+        headerRow(headerCell("#"), headerCell("Container Decisions"))
+        containers
+            .sortedBy { it.name }
+            .filter { it.documentation.decisions.isNotEmpty() }
+            .forEachIndexed { index, container ->
+                bodyRow(
+                    cellWithIndex((index+1).toString()),
+                    cellWithLink(this@createContainerDecisionsTableViewModel, container.name, hrefFactory(container))
+                )
+            }
+    }

src/main/kotlin/nl/avisi/structurizr/site/generatr/site/model/DecisionTabViewModel.kt

@@ -0,0 +1,31 @@
+package nl.avisi.structurizr.site.generatr.site.model
+
+import com.structurizr.model.SoftwareSystem
+import nl.avisi.structurizr.site.generatr.hasDecisions
+
+data class DecisionTabViewModel(val pageViewModel: SoftwareSystemPageViewModel, val title: String, val url: String) {
+    val link = LinkViewModel(pageViewModel, title, url, true)
+}
+
+fun SoftwareSystemPageViewModel.createDecisionsTabViewModel(softwareSystem: SoftwareSystem, tab: SoftwareSystemPageViewModel.Tab): List<DecisionTabViewModel> {
+    val tabs = buildList<DecisionTabViewModel> {
+        if (softwareSystem.hasDecisions()) {
+            add(DecisionTabViewModel(
+                    this@createDecisionsTabViewModel,
+                    "System",
+                    SoftwareSystemPageViewModel.url(softwareSystem, tab)
+            ))
+        }
+        softwareSystem
+                .containers
+                .map {
+                    DecisionTabViewModel(
+                            this@createDecisionsTabViewModel,
+                            it.name,
+                            SoftwareSystemContainerDecisionsPageViewModel.url(it)
+                    )
+                }
+                .forEach { add(it) }
+    }
+    return tabs
+}

src/main/kotlin/nl/avisi/structurizr/site/generatr/site/model/SoftwareSystemContainerDecisionPageViewModel.kt

@@ -0,0 +1,19 @@
+package nl.avisi.structurizr.site.generatr.site.model
+
+import com.structurizr.documentation.Decision
+import com.structurizr.model.Container
+import nl.avisi.structurizr.site.generatr.normalize
+import nl.avisi.structurizr.site.generatr.site.GeneratorContext
+
+class SoftwareSystemContainerDecisionPageViewModel(
+    generatorContext: GeneratorContext, container: Container, decision: Decision
+) : SoftwareSystemPageViewModel(generatorContext, container.softwareSystem, Tab.DECISIONS) {
+    override val url = url(container, decision)
+
+    val content = markdownToHtml(this, decision.content, generatorContext.svgFactory)
+
+    companion object {
+        fun url(container: Container, decision: Decision) =
+            "${url(container.softwareSystem, Tab.DECISIONS)}/${container.name.normalize()}/${decision.id}"
+    }
+}

src/main/kotlin/nl/avisi/structurizr/site/generatr/site/model/SoftwareSystemContainerDecisionsPageViewModel.kt

@@ -0,0 +1,22 @@
+package nl.avisi.structurizr.site.generatr.site.model
+
+import com.structurizr.model.Container
+import nl.avisi.structurizr.site.generatr.hasDecisions
+import nl.avisi.structurizr.site.generatr.normalize
+import nl.avisi.structurizr.site.generatr.site.GeneratorContext
+
+class SoftwareSystemContainerDecisionsPageViewModel(generatorContext: GeneratorContext, container: Container) :
+    SoftwareSystemPageViewModel(generatorContext, container.softwareSystem, Tab.DECISIONS) {
+    override val url = url(container)
+    val decisionsTable = createDecisionsTableViewModel(container.documentation.decisions) {
+        "$url/${it.id}"
+    }
+
+    val visible = container.hasDecisions()
+    val decisionTabs = createDecisionsTabViewModel(container.softwareSystem, Tab.DECISIONS)
+
+    companion object {
+        fun url(container: Container) =
+                "${url(container.softwareSystem, Tab.DECISIONS)}/${container.name.normalize()}"
+    }
+}

src/main/kotlin/nl/avisi/structurizr/site/generatr/site/model/SoftwareSystemDecisionsPageViewModel.kt

@@ -1,13 +1,23 @@
 package nl.avisi.structurizr.site.generatr.site.model
 
 import com.structurizr.model.SoftwareSystem
+import nl.avisi.structurizr.site.generatr.hasContainerDecisions
 import nl.avisi.structurizr.site.generatr.hasDecisions
 import nl.avisi.structurizr.site.generatr.site.GeneratorContext
 
 class SoftwareSystemDecisionsPageViewModel(generatorContext: GeneratorContext, softwareSystem: SoftwareSystem) :
     SoftwareSystemPageViewModel(generatorContext, softwareSystem, Tab.DECISIONS) {
+
     val decisionsTable = createDecisionsTableViewModel(softwareSystem.documentation.decisions) {
         "$url/${it.id}"
     }
-    val visible = softwareSystem.hasDecisions()
+
+    private val containerDecisionsVisible = softwareSystem.hasContainerDecisions()
+    val softwareSystemDecisionsVisible = softwareSystem.hasDecisions()
+
+    val visible = softwareSystemDecisionsVisible or containerDecisionsVisible
+    val onlyContainersDecisionsVisible = !softwareSystemDecisionsVisible and containerDecisionsVisible
+
+    val decisionTabs = createDecisionsTabViewModel(softwareSystem, Tab.DECISIONS)
+
 }

src/main/kotlin/nl/avisi/structurizr/site/generatr/site/model/SoftwareSystemPageViewModel.kt

@@ -1,13 +1,7 @@
 package nl.avisi.structurizr.site.generatr.site.model
 
 import com.structurizr.model.SoftwareSystem
-import nl.avisi.structurizr.site.generatr.hasComponentViews
-import nl.avisi.structurizr.site.generatr.hasContainerViews
-import nl.avisi.structurizr.site.generatr.hasDecisions
-import nl.avisi.structurizr.site.generatr.hasDeploymentViews
-import nl.avisi.structurizr.site.generatr.hasDocumentationSections
-import nl.avisi.structurizr.site.generatr.hasSystemContextViews
-import nl.avisi.structurizr.site.generatr.normalize
+import nl.avisi.structurizr.site.generatr.*
 import nl.avisi.structurizr.site.generatr.site.GeneratorContext
 
 open class SoftwareSystemPageViewModel(
@@ -40,7 +34,7 @@ open class SoftwareSystemPageViewModel(
                 Tab.CONTAINER -> generatorContext.workspace.views.hasContainerViews(softwareSystem)
                 Tab.COMPONENT -> generatorContext.workspace.views.hasComponentViews(softwareSystem)
                 Tab.DEPLOYMENT -> generatorContext.workspace.views.hasDeploymentViews(softwareSystem)
-                Tab.DECISIONS -> softwareSystem.hasDecisions()
+                Tab.DECISIONS -> softwareSystem.hasDecisions() or softwareSystem.hasContainerDecisions()
                 Tab.SECTIONS -> softwareSystem.hasDocumentationSections()
             }
     }

src/main/kotlin/nl/avisi/structurizr/site/generatr/site/model/SoftwareSystemSectionPageViewModel.kt

@@ -6,7 +6,7 @@ import nl.avisi.structurizr.site.generatr.site.GeneratorContext
 
 class SoftwareSystemSectionPageViewModel(
     generatorContext: GeneratorContext, softwareSystem: SoftwareSystem, section: Section
-) : SoftwareSystemPageViewModel(generatorContext, softwareSystem, Tab.DECISIONS) {
+) : SoftwareSystemPageViewModel(generatorContext, softwareSystem, Tab.SECTIONS) {
     override val url = url(softwareSystem, section)
 
     val content = markdownToHtml(this, section.content, generatorContext.svgFactory)

src/main/kotlin/nl/avisi/structurizr/site/generatr/site/views/RedirectRelative.kt

@@ -0,0 +1,19 @@
+package nl.avisi.structurizr.site.generatr.site.views
+
+import kotlinx.html.HTML
+import kotlinx.html.body
+import kotlinx.html.head
+import kotlinx.html.meta
+import kotlinx.html.title
+
+fun HTML.redirectRelative(appendUrl: String) {
+    attributes["lang"] = "en"
+    head {
+        meta {
+            httpEquiv = "refresh"
+            content = "0; url=./$appendUrl"
+        }
+        title { +"Structurizr site generatr" }
+    }
+    body()
+}

src/main/kotlin/nl/avisi/structurizr/site/generatr/site/views/SoftwareSystemContainerDecisionPage.kt

@@ -0,0 +1,10 @@
+package nl.avisi.structurizr.site.generatr.site.views
+
+import kotlinx.html.HTML
+import nl.avisi.structurizr.site.generatr.site.model.SoftwareSystemContainerDecisionPageViewModel
+
+fun HTML.softwareSystemContainerDecisionPage(viewModel: SoftwareSystemContainerDecisionPageViewModel) {
+    softwareSystemPage(viewModel) {
+        rawHtml(viewModel.content)
+    }
+}

src/main/kotlin/nl/avisi/structurizr/site/generatr/site/views/SoftwareSystemContainerDecisionsPage.kt

@@ -0,0 +1,26 @@
+package nl.avisi.structurizr.site.generatr.site.views
+
+import kotlinx.html.HTML
+import kotlinx.html.div
+import kotlinx.html.li
+import kotlinx.html.ul
+import nl.avisi.structurizr.site.generatr.site.model.SoftwareSystemContainerDecisionsPageViewModel
+
+fun HTML.softwareSystemContainerDecisionsPage(viewModel: SoftwareSystemContainerDecisionsPageViewModel) {
+    if (viewModel.visible)
+        softwareSystemPage(viewModel) {
+            div(classes = "tabs") {
+                ul(classes = "m-0") {
+                    viewModel.decisionTabs
+                            .forEach {
+                                li(classes = if (it.link.active) "is-active" else null) {
+                                    link(it.link)
+                                }
+                            }
+                }
+            }
+            table(viewModel.decisionsTable)
+        }
+    else
+        redirectUpPage()
+}

src/main/kotlin/nl/avisi/structurizr/site/generatr/site/views/SoftwareSystemDecisionsPage.kt

@@ -1,13 +1,34 @@
 package nl.avisi.structurizr.site.generatr.site.views
 
 import kotlinx.html.HTML
+import kotlinx.html.div
+import kotlinx.html.li
+import kotlinx.html.ul
 import nl.avisi.structurizr.site.generatr.site.model.SoftwareSystemDecisionsPageViewModel
 
 fun HTML.softwareSystemDecisionsPage(viewModel: SoftwareSystemDecisionsPageViewModel) {
-    if (viewModel.visible)
+    if (viewModel.onlyContainersDecisionsVisible) {
+        redirectRelative(
+            viewModel.decisionTabs.first().link.relativeHref
+        )
+    }
+    else if (viewModel.visible) {
         softwareSystemPage(viewModel) {
-            table(viewModel.decisionsTable)
+            div(classes = "tabs") {
+                ul(classes = "m-0") {
+                    viewModel.decisionTabs
+                            .forEach {
+                                li(classes = if (it.link.active) "is-active" else null) {
+                                    link(it.link)
+                                }
+                            }
+                }
+            }
+            if (viewModel.softwareSystemDecisionsVisible) {
+                table(viewModel.decisionsTable)
+            }
         }
+    }
     else
         redirectUpPage()
 }

src/test/kotlin/nl/avisi/structurizr/site/generatr/site/model/ContainerDecisionsTableViewModelTest.kt

@@ -0,0 +1,47 @@
+package nl.avisi.structurizr.site.generatr.site.model
+
+import assertk.assertThat
+import assertk.assertions.isEqualTo
+import kotlin.test.Test
+
+class ContainerDecisionsTableViewModelTest : ViewModelTest() {
+
+    @Test
+    fun `no container with decisions available`() {
+        assertThat(pageViewModel().createContainerDecisionsTableViewModel(emptySet()) { "href" })
+            .isEqualTo(
+                TableViewModel.create {
+                    containersTableHeaderRow()
+                }
+            )
+    }
+
+    @Test
+    fun `many containers shown if they have decisions`() {
+        val containers = generatorContext().workspace.model.addSoftwareSystem("Mock").also {
+            it.addContainer("Web Application")
+            it.addContainer("API Application")
+                    .documentation.addDecision(createDecision("1","API Decision"))
+            it.addContainer("Mobile Application")
+                    .documentation.addDecision(createDecision("1", "Mobile Decision"))
+        }.containers
+        val pageViewModel = pageViewModel()
+        assertThat(pageViewModel.createContainerDecisionsTableViewModel(containers) { it.name }).isEqualTo(
+            TableViewModel.create {
+                containersTableHeaderRow()
+                bodyRow(
+                    cellWithIndex("1"),
+                    cellWithLink(pageViewModel, "API Application", "API Application"),
+                )
+                bodyRow(
+                    cellWithIndex("2"),
+                    cellWithLink(pageViewModel, "Mobile Application", "Mobile Application")
+                )
+            }
+        )
+    }
+
+    private fun TableViewModel.TableViewInitializerContext.containersTableHeaderRow() {
+        headerRow(headerCell("#"), headerCell("Container Decisions"))
+    }
+}