-
Notifications
You must be signed in to change notification settings - Fork 30
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
9 changed files
with
187 additions
and
8 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
69 changes: 69 additions & 0 deletions
69
api-rest/src/main/java/com/homihq/db2rest/jdbc/rest/sql/SQLTemplateController.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| package com.homihq.db2rest.jdbc.rest.sql; | ||
|
|
||
| import com.homihq.db2rest.jdbc.core.service.SQLTemplateService; | ||
| import io.swagger.v3.oas.annotations.tags.Tag; | ||
| import jakarta.servlet.http.HttpServletRequest; | ||
| import lombok.RequiredArgsConstructor; | ||
| import lombok.extern.slf4j.Slf4j; | ||
| import org.springframework.util.AntPathMatcher; | ||
| import org.springframework.web.bind.annotation.*; | ||
| import org.springframework.web.servlet.HandlerMapping; | ||
|
|
||
| import java.io.IOException; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
|
|
||
| import static com.homihq.db2rest.jdbc.rest.RdbmsRestApi.VERSION; | ||
|
|
||
| @Slf4j | ||
| @RestController | ||
| @RequiredArgsConstructor | ||
| @Tag(name = "Parameterized SQL Template ", description = "Details about schemas and tables") | ||
| public class SQLTemplateController { | ||
| private final SQLTemplateService sqlTemplateService; | ||
| private final AntPathMatcher antPathMatcher; | ||
|
|
||
| @GetMapping(VERSION + "/{dbId}/sql/{fileName}/**") | ||
| public Object sqlTemplate(@PathVariable String dbId, | ||
| @PathVariable String fileName, | ||
| @RequestParam Map<String, String> requestParams, | ||
| @RequestHeader Map<String, String> requestHeaders, | ||
| @MatrixVariable Map<String, String> matrixVariables, | ||
| HttpServletRequest request | ||
| ) throws IOException { | ||
| Map<String, Object> context = getContext(requestParams, requestHeaders, matrixVariables, request); | ||
|
|
||
| String renderedSqlQuery = sqlTemplateService.renderTemplate(fileName, context); | ||
|
|
||
| return sqlTemplateService.execute(renderedSqlQuery, dbId); | ||
| } | ||
|
|
||
| private Map<String, Object> getContext( | ||
| Map<String, String> requestParams, | ||
| Map<String, String> requestHeaders, | ||
| Map<String, String> matrixVariables, | ||
| HttpServletRequest request | ||
| ) { | ||
| Map<String, Object> context = new HashMap<>(); | ||
| context.put("params", requestParams); | ||
| context.put("headers", requestHeaders); | ||
| context.put("matrix", matrixVariables); | ||
|
|
||
| var pathVariables = getContextFromPath(request); | ||
| context.put("paths", pathVariables); | ||
|
|
||
| return context; | ||
| } | ||
|
|
||
| private List<String> getContextFromPath(HttpServletRequest request) { | ||
| String path = (String) request.getAttribute( | ||
| HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE); | ||
|
|
||
| String bestMatchPattern = (String) request.getAttribute(HandlerMapping.BEST_MATCHING_PATTERN_ATTRIBUTE); | ||
|
|
||
| String userPathVariable = antPathMatcher.extractPathWithinPattern(bestMatchPattern, path); | ||
|
|
||
| return List.of(userPathVariable.split("/")); | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
50 changes: 50 additions & 0 deletions
50
rdbms-support/src/main/java/com/homihq/db2rest/jdbc/core/service/JinJavaTemplateService.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| package com.homihq.db2rest.jdbc.core.service; | ||
|
|
||
| import com.homihq.db2rest.config.Db2RestConfigProperties; | ||
| import com.homihq.db2rest.jdbc.JdbcManager; | ||
| import com.homihq.db2rest.jdbc.core.DbOperationService; | ||
| import com.hubspot.jinjava.Jinjava; | ||
| import lombok.RequiredArgsConstructor; | ||
| import lombok.extern.slf4j.Slf4j; | ||
|
|
||
| import java.io.IOException; | ||
| import java.nio.file.Files; | ||
| import java.nio.file.Path; | ||
| import java.nio.file.Paths; | ||
| import java.util.Map; | ||
|
|
||
| @Slf4j | ||
| @RequiredArgsConstructor | ||
| public class JinJavaTemplateService implements SQLTemplateService { | ||
|
|
||
| private final Jinjava jinjava; | ||
| private final Db2RestConfigProperties db2RestConfigProperties; | ||
| private final DbOperationService dbOperationService; | ||
| private final JdbcManager jdbcManager; | ||
|
|
||
| @Override | ||
| public String renderTemplate(String templateName, Map<String, Object> context) throws IOException { | ||
| log.debug("Rendering query from template {}", templateName); | ||
| String userTemplateLocation = db2RestConfigProperties.getTemplates(); | ||
| Path templatePath = Paths.get(userTemplateLocation, templateName + ".sql"); | ||
| if (!Files.exists(templatePath)) { | ||
| throw new IllegalArgumentException("Template not found: " + templateName); | ||
| } | ||
| try { | ||
| String templateContent = Files.readString(templatePath); | ||
| return jinjava.render(templateContent, context); | ||
| } catch (IOException ioe) { | ||
| throw new IOException("Could not read SQL template at: " + templatePath); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public Object execute(String sql, String dbId) { | ||
| log.debug("Execute: {}", sql); | ||
| return dbOperationService.query( | ||
| jdbcManager.getNamedParameterJdbcTemplate(dbId), | ||
| sql, | ||
| jdbcManager.getDialect(dbId) | ||
| ); | ||
| } | ||
| } |
10 changes: 10 additions & 0 deletions
10
rdbms-support/src/main/java/com/homihq/db2rest/jdbc/core/service/SQLTemplateService.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| package com.homihq.db2rest.jdbc.core.service; | ||
|
|
||
| import java.io.IOException; | ||
| import java.util.Map; | ||
|
|
||
| public interface SQLTemplateService { | ||
| String renderTemplate(String template, Map<String, Object> context) throws IOException; | ||
|
|
||
| Object execute(String sql, String dbId); | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters