feat: use the Ollama generate API for FIM templates (#772)

* Gradle wrapper 8.11

* Use Ollama API for FIM

* Shorten long line

* Allow optionally overriding ollama FIM template

* fix: configurable actions

* feat: improve UX

---------

Co-authored-by: Carl-Robert Linnupuu <carlrobertoh@gmail.com>

src/main/java/ee/carlrobert/codegpt/settings/service/llama/form/LlamaSettingsForm.java

@@ -22,6 +22,7 @@ public class LlamaSettingsForm extends JPanel {
     llamaRequestPreferencesForm = new LlamaRequestPreferencesForm(settings);
     codeCompletionConfigurationForm = new CodeCompletionConfigurationForm(
         settings.isCodeCompletionsEnabled(),
+        null,
         null);
     init();
   }

src/main/kotlin/ee/carlrobert/codegpt/codecompletions/CodeCompletionRequestFactory.kt

@@ -118,18 +118,24 @@ object CodeCompletionRequestFactory {
     fun buildOllamaRequest(details: InfillRequest): OllamaCompletionRequest {
         val settings = service<OllamaSettings>().state
         val stopTokens = buildList {
-            if (settings.fimTemplate.stopTokens != null) addAll(settings.fimTemplate.stopTokens!!)
             if (details.stopTokens.isNotEmpty()) addAll(details.stopTokens)
-        }.ifEmpty { null }
+        }.toMutableList()
+        val prompt = if (settings.fimOverride) {
+            settings.fimTemplate.stopTokens?.let { stopTokens.addAll(it) }
+            settings.fimTemplate.buildPrompt(details)
+        } else {
+            details.prefix
+        }
 
         return OllamaCompletionRequest.Builder(
             settings.model,
-            settings.fimTemplate.buildPrompt(details)
+            prompt
         )
+            .setSuffix(if (settings.fimOverride) null else details.suffix)
             .setStream(true)
             .setOptions(
                 OllamaParameters.Builder()
-                    .stop(stopTokens)
+                    .stop(stopTokens.ifEmpty { null })
                     .numPredict(MAX_TOKENS)
                     .temperature(0.4)
                     .build()

src/main/kotlin/ee/carlrobert/codegpt/settings/service/CodeCompletionConfigurationForm.kt

@@ -6,6 +6,7 @@ import com.intellij.openapi.ui.ComboBox
 import com.intellij.ui.EnumComboBoxModel
 import com.intellij.ui.components.JBCheckBox
 import com.intellij.ui.components.JBLabel
+import com.intellij.ui.dsl.builder.panel
 import com.intellij.util.ui.FormBuilder
 import ee.carlrobert.codegpt.CodeGPTBundle
 import ee.carlrobert.codegpt.codecompletions.InfillPromptTemplate
@@ -17,6 +18,7 @@ import javax.swing.JPanel
 
 class CodeCompletionConfigurationForm(
     codeCompletionsEnabled: Boolean,
+    fimOverride: Boolean?,
     fimTemplate: InfillPromptTemplate?
 ) {
 
@@ -27,19 +29,32 @@ class CodeCompletionConfigurationForm(
     private val promptTemplateComboBox =
         ComboBox(EnumComboBoxModel(InfillPromptTemplate::class.java)).apply {
             item = fimTemplate
+            isEnabled = fimOverride == null || fimOverride == false
             addItemListener {
                 updatePromptTemplateHelpTooltip(it.item as InfillPromptTemplate)
             }
         }
     private val promptTemplateHelpText = JBLabel(General.ContextHelp)
+    private val fimOverrideCheckbox = JBCheckBox(
+        CodeGPTBundle.get("codeCompletionsForm.overrideFimTemplate.label"),
+        fimOverride ?: false
+    )
 
     fun getForm(): JPanel {
         val formBuilder = FormBuilder.createFormBuilder()
             .addComponent(codeCompletionsEnabledCheckBox)
         if (fimTemplate != null) {
+            formBuilder.addComponent(panel {
+                row {
+                    cell(fimOverrideCheckbox)
+                        .visible(fimOverride != null)
+                        .onChanged { promptTemplateComboBox.isEnabled = !it.isSelected }
+                        .comment(CodeGPTBundle.get("codeCompletionsForm.overrideFimTemplate.description"))
+                }
+            })
             formBuilder.addVerticalGap(4)
                 .addLabeledComponent(
-                    "FIM template:",
+                    CodeGPTBundle.get("codeCompletionsForm.selectFimTemplate"),
                     JPanel(FlowLayout(FlowLayout.LEADING, 0, 0)).apply {
                         add(promptTemplateComboBox)
                         add(Box.createHorizontalStrut(4))
@@ -61,6 +76,14 @@ class CodeCompletionConfigurationForm(
             promptTemplateComboBox.item = template
         }
 
+    var fimOverride: Boolean?
+        get() = fimOverrideCheckbox.isSelected
+        set(value) {
+            if (value != null) {
+                fimOverrideCheckbox.isSelected = value
+            }
+        }
+
     private fun updatePromptTemplateHelpTooltip(template: InfillPromptTemplate) {
         promptTemplateHelpText.setToolTipText(null)
 

src/main/kotlin/ee/carlrobert/codegpt/settings/service/ollama/OllamaSettings.kt

@@ -14,6 +14,7 @@ class OllamaSettingsState : BaseState() {
     var host by string("http://localhost:11434")
     var model by string()
     var codeCompletionsEnabled by property(false)
-    var fimTemplate by enum<InfillPromptTemplate>(InfillPromptTemplate.CODE_LLAMA)
+    var fimOverride by property(true)
+    var fimTemplate by enum<InfillPromptTemplate>(InfillPromptTemplate.CODE_QWEN_2_5)
     var availableModels by list<String>()
 }

src/main/kotlin/ee/carlrobert/codegpt/settings/service/ollama/OllamaSettingsForm.kt

@@ -51,6 +51,7 @@ class OllamaSettingsForm {
         val settings = service<OllamaSettings>().state
         codeCompletionConfigurationForm = CodeCompletionConfigurationForm(
             settings.codeCompletionsEnabled,
+            settings.fimOverride,
             settings.fimTemplate
         )
         val emptyModelsComboBoxModel =
@@ -123,6 +124,7 @@ class OllamaSettingsForm {
             modelComboBox.item = model ?: ""
             codeCompletionConfigurationForm.isCodeCompletionsEnabled = codeCompletionsEnabled
             codeCompletionConfigurationForm.fimTemplate = fimTemplate
+            codeCompletionConfigurationForm.fimOverride != fimOverride
         }
         apiKeyField.text = getCredential(OLLAMA_API_KEY)
     }
@@ -133,6 +135,7 @@ class OllamaSettingsForm {
             model = modelComboBox.item
             codeCompletionsEnabled = codeCompletionConfigurationForm.isCodeCompletionsEnabled
             fimTemplate = codeCompletionConfigurationForm.fimTemplate!!
+            fimOverride = codeCompletionConfigurationForm.fimOverride ?: false
         }
         setCredential(OLLAMA_API_KEY, getApiKey())
     }
@@ -142,6 +145,7 @@ class OllamaSettingsForm {
                 || (modelComboBox.item != model && modelComboBox.isEnabled)
                 || codeCompletionConfigurationForm.isCodeCompletionsEnabled != codeCompletionsEnabled
                 || codeCompletionConfigurationForm.fimTemplate != fimTemplate
+                || codeCompletionConfigurationForm.fimOverride != fimOverride
                 || getApiKey() != getCredential(OLLAMA_API_KEY)
     }
 

src/main/resources/messages/codegpt.properties

@@ -252,6 +252,9 @@ shared.chatCompletions=Chat Completions
 shared.codeCompletions=Code Completions
 codeCompletionsForm.enableFeatureText=Enable code completions
 codeCompletionsForm.parseResponseAsChatCompletions=Parse response as Chat Completions
+codeCompletionsForm.overrideFimTemplate.label=Use built-in FIM template
+codeCompletionsForm.overrideFimTemplate.description=If checked, Ollama will automatically detect the corresponding FIM template for the selected model.
+codeCompletionsForm.selectFimTemplate=FIM template:
 codeCompletionsForm.maxTokensLabel=Max tokens:
 codeCompletionsForm.maxTokensComment=The maximum number of tokens that will be generated in the code completion.
 editCodePopover.title=Edit Code