#21 -- Add rules generation

src/main/java/ru/ulstu/fc/rule/controller/FuzzyRuleRestController.java

@@ -9,6 +9,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import ru.ulstu.fc.project.service.ProjectRulesService;
 import ru.ulstu.fc.rule.model.FuzzyRule;
+import ru.ulstu.fc.rule.model.dto.FuzzyRuleDataDto;
 import ru.ulstu.fc.rule.model.dto.FuzzyRuleDto;
 import ru.ulstu.fc.rule.service.FuzzyRuleParseService;
 import ru.ulstu.fc.rule.service.FuzzyRuleService;
@@ -53,7 +54,12 @@ public class FuzzyRuleRestController {
     }
 
     @PostMapping("parse/{projectId}")
-    public void parseRule(@PathVariable("projectId") Integer projectId, String data) {
-        fuzzyRuleParseService.parseFuzzyRules(data, projectId);
+    public List<FuzzyRule> parseRule(@PathVariable("projectId") Integer projectId, String data) {
+        return fuzzyRuleParseService.parseFuzzyRules(data, projectId);
+    }
+
+    @PostMapping("generate-rules/{projectId}")
+    public void generateRules(@PathVariable("projectId") Integer projectId, FuzzyRuleDataDto fuzzyRuleDataDto) {
+        fuzzyRuleParseService.generateRules(projectId, fuzzyRuleDataDto);
     }
 }

src/main/java/ru/ulstu/fc/rule/model/FuzzyTermForm.java

@@ -20,9 +20,11 @@ public class FuzzyTermForm {
     }
 
     public FuzzyTermForm(Integer id, Integer projectId, Integer variableId) {
-        this.projectId = projectId;
-        this.variableId = variableId;
-        this.id = id;
+        this(id, projectId, variableId, null);
+    }
+
+    public FuzzyTermForm(Integer projectId, Integer variableId, String description, Double value) {
+        this(null, projectId, variableId, new FuzzyTerm(description, value));
     }
 
     public FuzzyTermForm(Integer id, Integer projectId, Integer variableId, FuzzyTerm fuzzyTerm) {

src/main/java/ru/ulstu/fc/rule/model/dto/FuzzyRuleDataDto.java

@@ -0,0 +1,22 @@
+package ru.ulstu.fc.rule.model.dto;
+
+public class FuzzyRuleDataDto {
+    private String[] fuzzyTerms;
+    private int window = 3;
+
+    public String[] getFuzzyTerms() {
+        return fuzzyTerms;
+    }
+
+    public void setFuzzyTerms(String[] fuzzyTerms) {
+        this.fuzzyTerms = fuzzyTerms;
+    }
+
+    public int getWindow() {
+        return window;
+    }
+
+    public void setWindow(int window) {
+        this.window = window;
+    }
+}

src/main/java/ru/ulstu/fc/rule/model/dto/FuzzyRuleDto.java

@@ -20,6 +20,11 @@ public class FuzzyRuleDto {
         this.projectId = projectId;
     }
 
+    public FuzzyRuleDto(Integer projectId, String content) {
+        this.projectId = projectId;
+        this.content = content;
+    }
+
     public FuzzyRuleDto(FuzzyRule fuzzyRule) {
         this.id = fuzzyRule.getId();
         this.projectId = fuzzyRule.getProject().getId();

src/main/java/ru/ulstu/fc/rule/repository/FuzzyRuleRepository.java

@@ -1,6 +1,9 @@
 package ru.ulstu.fc.rule.repository;
 
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Modifying;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
 import ru.ulstu.fc.project.model.Project;
 import ru.ulstu.fc.rule.model.FuzzyRule;
 
@@ -9,4 +12,8 @@ import java.util.List;
 public interface FuzzyRuleRepository extends JpaRepository<FuzzyRule, Integer> {
 
     List<FuzzyRule> findByProject(Project project);
+
+    @Query("DELETE FROM FuzzyRule fr WHERE fr.project.id = :projectId")
+    @Modifying
+    void deleteAllByProjectId(@Param("projectId") Integer projectId);
 }

src/main/java/ru/ulstu/fc/rule/repository/FuzzyTermRepository.java

@@ -1,6 +1,7 @@
 package ru.ulstu.fc.rule.repository;
 
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Modifying;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.query.Param;
 import ru.ulstu.fc.rule.model.FuzzyTerm;
@@ -10,4 +11,8 @@ public interface FuzzyTermRepository extends JpaRepository<FuzzyTerm, Integer> {
 
     @Query("SELECT v FROM Variable v LEFT JOIN v.fuzzyTerms ft WHERE ft = :fuzzyTerm")
     Variable findByFuzzyTerm(@Param("fuzzyTerm") FuzzyTerm fuzzyTerm);
+
+    @Query("DELETE FROM FuzzyTerm ft WHERE ft in (SELECT v.fuzzyTerms FROM Variable v WHERE v.project.id = :projectId)")
+    @Modifying
+    void deleteAllByProjectId(@Param("projectId") Integer projectId);
 }

src/main/java/ru/ulstu/fc/rule/repository/VariableRepository.java

@@ -1,6 +1,7 @@
 package ru.ulstu.fc.rule.repository;
 
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Modifying;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.query.Param;
 import ru.ulstu.fc.project.model.Project;
@@ -19,4 +20,8 @@ public interface VariableRepository extends JpaRepository<Variable, Integer> {
 
     @Query("SELECT v FROM Variable v WHERE v.project = :project AND v.input = false")
     List<Variable> getOutputByProject(@Param("project") Project project);
+
+    @Query("DELETE FROM Variable v WHERE v.project.id = :projectId")
+    @Modifying
+    void deleteAllByProjectId(@Param("projectId") Integer projectId);
 }

src/main/java/ru/ulstu/fc/rule/service/FuzzyRuleParseService.java

@@ -2,12 +2,17 @@ package ru.ulstu.fc.rule.service;
 
 import com.fuzzylite.Engine;
 import com.fuzzylite.rule.Rule;
+import jakarta.transaction.Transactional;
 import org.springframework.stereotype.Service;
 import ru.ulstu.fc.project.service.ProjectService;
 import ru.ulstu.fc.rule.model.FuzzyRule;
+import ru.ulstu.fc.rule.model.FuzzyTermForm;
 import ru.ulstu.fc.rule.model.Variable;
+import ru.ulstu.fc.rule.model.dto.FuzzyRuleDataDto;
+import ru.ulstu.fc.rule.model.dto.FuzzyRuleDto;
 
 import java.util.Arrays;
+import java.util.HashSet;
 import java.util.List;
 import java.util.stream.Collectors;
 
@@ -26,13 +31,19 @@ public class FuzzyRuleParseService {
     private final Engine fuzzyEngine;
     private final VariableService variableService;
     private final ProjectService projectService;
+    private final FuzzyTermService fuzzyTermService;
+    private final FuzzyRuleService fuzzyRuleService;
 
     public FuzzyRuleParseService(Engine fuzzyEngine,
                                  VariableService variableService,
-                                 ProjectService projectService) {
+                                 ProjectService projectService,
+                                 FuzzyTermService fuzzyTermService,
+                                 FuzzyRuleService fuzzyRuleService) {
         this.fuzzyEngine = fuzzyEngine;
         this.variableService = variableService;
         this.projectService = projectService;
+        this.fuzzyTermService = fuzzyTermService;
+        this.fuzzyRuleService = fuzzyRuleService;
     }
 
     public List<Rule> parseRules(List<String> stringRules) {
@@ -80,4 +91,42 @@ public class FuzzyRuleParseService {
                 .map(a -> new Variable(a.split(ENG_IS_STATEMENT)[0].trim()))
                 .toList();
     }
+
+    @Transactional
+    public void generateRules(Integer projectId, FuzzyRuleDataDto fuzzyRuleDataDto) {
+        fuzzyTermService.clearTerms(projectId);
+        variableService.clearVariables(projectId);
+        fuzzyRuleService.clearRules(projectId);
+
+        final String variableName = "fuzzyLevel";
+        Variable variable = new Variable();
+        variable.setName(variableName);
+        variable = variableService.save(variable, projectId);
+
+        List<String> uniqueTerms = new HashSet<>(Arrays.stream(fuzzyRuleDataDto.getFuzzyTerms()).toList()).stream().toList();
+        for (int i = 0; i < uniqueTerms.size(); i++) {
+            fuzzyTermService.save(new FuzzyTermForm(projectId, variable.getId(), uniqueTerms.get(i), Double.valueOf(i)));
+        }
+
+        //save rules
+        int current = 0;
+
+        List<String> terms = Arrays.stream(fuzzyRuleDataDto.getFuzzyTerms()).toList();
+        while (current + fuzzyRuleDataDto.getWindow() < terms.size() - 1) {
+            StringBuilder stringRule = new StringBuilder("if ");
+            int start = current;
+            for (int i = start; i < fuzzyRuleDataDto.getWindow(); i++) {
+                if (i > start) {
+                    stringRule.append(" and ");
+                }
+                stringRule.append(variableName + " is ").append(terms.get(i));
+            }
+            stringRule
+                    .append(" then ").append(variableName).append(" is ")
+                    .append(terms.get(current + fuzzyRuleDataDto.getWindow()));
+            current++;
+            FuzzyRuleDto fuzzyRule = new FuzzyRuleDto(projectId, stringRule.toString());
+            fuzzyRuleService.save(fuzzyRule);
+        }
+    }
 }

src/main/java/ru/ulstu/fc/rule/service/FuzzyRuleService.java

@@ -10,11 +10,13 @@ import ru.ulstu.fc.rule.repository.FuzzyRuleRepository;
 public class FuzzyRuleService {
     private final FuzzyRuleRepository ruleRepository;
     private final ProjectService projectService;
+    private final FuzzyRuleRepository fuzzyRuleRepository;
 
     public FuzzyRuleService(FuzzyRuleRepository ruleRepository,
-                            ProjectService projectService) {
+                            ProjectService projectService, FuzzyRuleRepository fuzzyRuleRepository) {
         this.ruleRepository = ruleRepository;
         this.projectService = projectService;
+        this.fuzzyRuleRepository = fuzzyRuleRepository;
     }
 
     public FuzzyRule getById(Integer id) {
@@ -29,15 +31,15 @@ public class FuzzyRuleService {
         return new FuzzyRuleDto(getById(id));
     }
 
-    public FuzzyRule save(FuzzyRuleDto ruleForm) {
+    public FuzzyRule save(FuzzyRuleDto fuzzyRuleDto) {
         FuzzyRule rule;
-        if (ruleForm.getId() == null || ruleForm.getId() == 0) {
+        if (fuzzyRuleDto.getId() == null || fuzzyRuleDto.getId() == 0) {
             rule = new FuzzyRule();
         } else {
-            rule = getById(ruleForm.getId());
+            rule = getById(fuzzyRuleDto.getId());
         }
-        rule.setProject(projectService.getById(ruleForm.getProjectId()));
-        rule.setContent(ruleForm.getContent());
+        rule.setProject(projectService.getById(fuzzyRuleDto.getProjectId()));
+        rule.setContent(fuzzyRuleDto.getContent());
         return ruleRepository.save(rule);
     }
 
@@ -48,4 +50,8 @@ public class FuzzyRuleService {
     public void checkIsCurrentUserFuzzyRuleWithThrow(FuzzyRule fuzzyRule) {
         projectService.checkIsCurrentUserProjectWithThrow(fuzzyRule.getProject());
     }
+
+    public void clearRules(Integer projectId) {
+        fuzzyRuleRepository.deleteAllByProjectId(projectId);
+    }
 }

src/main/java/ru/ulstu/fc/rule/service/FuzzyTermService.java

@@ -67,4 +67,8 @@ public class FuzzyTermService {
     public void checkIsCurrentUserFuzzyTermWithThrow(FuzzyTerm fuzzyTerm) {
         projectService.checkIsCurrentUserProjectWithThrow(fuzzyTermRepository.findByFuzzyTerm(fuzzyTerm).getProject());
     }
+
+    public void clearTerms(Integer projectId) {
+        fuzzyTermRepository.deleteAllByProjectId(projectId);
+    }
 }

src/main/java/ru/ulstu/fc/rule/service/VariableService.java

@@ -85,4 +85,8 @@ public class VariableService {
                 .map(VariableDto::new)
                 .toList();
     }
+
+    public void clearVariables(Integer projectId) {
+        variableRepository.deleteAllByProjectId(projectId);
+    }
 }