generation of Latex code and replacement in template

src/main/java/org/example/csv2tex/placeholders/NoopPlaceholderReplacer.java

@@ -1,17 +1,163 @@
 package org.example.csv2tex.placeholders;
 
 
+import org.example.csv2tex.data.SchoolCompetencyData;
 import org.example.csv2tex.data.SchoolReportData;
 
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.*;
+import java.util.List;
+
+
 /**
  * Dummy implementation that does no transformation.
  * <p>
  * We have it in place until we have the real implementation.
  */
 public class NoopPlaceholderReplacer implements PlaceholderReplacer {
-
-    @Override
     public String replacePlaceholdersInTexFile(String texTemplate, SchoolReportData schoolReportData) {
-        return texTemplate;
+        String texFileTemplate = loadTexTemplate(texTemplate);
+
+        String texFileContent = replaceBaseData(texFileTemplate, schoolReportData);
+
+        String partOfYear = schoolReportData.partOfYear;;
+        String currentSubject = schoolReportData.schoolCompetencies.get(0).schoolSubject;
+        StringBuilder tables = new StringBuilder();
+        List<SchoolCompetencyData> competencyList = new ArrayList<>();
+
+        for (SchoolCompetencyData schoolCompetencyData : schoolReportData.schoolCompetencies) {
+            if (!currentSubject.equals(schoolCompetencyData.schoolSubject)) {
+                currentSubject = schoolCompetencyData.schoolSubject;
+
+                tables.append(makeTableEntry(competencyList, partOfYear));
+                competencyList.removeAll(competencyList);
+                competencyList.add(schoolCompetencyData);
+            } else {
+                competencyList.add(schoolCompetencyData);
+            }
+        }
+        tables.append(makeTableEntry(competencyList, partOfYear));
+        texFileContent = texFileContent.replace("#tables", tables);
+        return texFileContent;
+    }
+
+    public String makeTableEntry(List<SchoolCompetencyData> competencyList, String partOfYear) {
+        StringBuilder subjectTable = new StringBuilder();
+        SchoolCompetencyData firstSchoolcompetencyData = competencyList.get(0);
+        String competencytableMSCmd = "\\competencytableMS{#SUBJECT}{#COMPETENCIES}{#LEVEL}\n";
+        String competencytableSSCmd = "\\competencytable{#SUBJECT}{#COMPETENCIES}\n";
+
+        if (partOfYear.equals("Endjahr") ||
+                firstSchoolcompetencyData.schoolSubject.equals("Mathematik") ||
+                firstSchoolcompetencyData.schoolSubject.equals("Deutsch") ||
+                firstSchoolcompetencyData.schoolSubject.equals("Englisch")) {
+
+            competencytableMSCmd = competencytableMSCmd
+                    .replace("#SUBJECT", firstSchoolcompetencyData.schoolSubject)
+                    .replace("#LEVEL", makeLevel(firstSchoolcompetencyData.level))
+                    .replace("#COMPETENCIES", makeCompetencyEntriesMS(competencyList));
+            subjectTable.append(competencytableMSCmd);
+        } else {
+            competencytableSSCmd = competencytableSSCmd
+                    .replace("#SUBJECT", firstSchoolcompetencyData.schoolSubject)
+                    .replace("#COMPETENCIES", makeCompetencyEntriesSS(competencyList));
+            subjectTable.append(competencytableSSCmd);
+
+        }
+        return subjectTable.toString();
+    }
+
+    public String makeCompetencyEntriesMS(List<SchoolCompetencyData> competencyList) {
+        String competencyMSCmd = "\\competencyMS{#COMPETENCY}{#GRADE}\n";
+        StringBuilder competenciesTable = new StringBuilder();
+
+        for (SchoolCompetencyData schoolCompetencyData : competencyList) {
+            StringBuilder competency = new StringBuilder();
+            String competencyReplaced = new String();
+            competency.append(schoolCompetencyData.schoolCompetency);
+            if (!schoolCompetencyData.schoolSubCompetency.isEmpty()) {
+                competency.append("\\\\\n").append(schoolCompetencyData.schoolSubCompetency);
+            }
+            if (!schoolCompetencyData.description.isEmpty()) {
+                competency.append("\\\\\n").append(schoolCompetencyData.description);
+            }
+            competencyReplaced = competencyMSCmd
+                    .replace("#COMPETENCY", competency)
+                    .replace("#GRADE", makeGrade(schoolCompetencyData.grade));
+            competenciesTable.append(competencyReplaced);
+        }
+        return competenciesTable.toString();
+    }
+
+    public String makeCompetencyEntriesSS(List<SchoolCompetencyData> competencyList) {
+        String competencySSCmd = "\\competencySS{#COMPETENCY}{#GRADE}{#LEVEL}\n";
+        StringBuilder competenciesTable = new StringBuilder();
+
+        for (SchoolCompetencyData schoolCompetencyData : competencyList) {
+            StringBuilder competency = new StringBuilder();
+            String competencyReplaced = new String();
+            competency.append(schoolCompetencyData.schoolCompetency);
+            if (!schoolCompetencyData.schoolSubCompetency.isEmpty()) {
+                competency.append("\\\\\n").append(schoolCompetencyData.schoolSubCompetency);
+            }
+            if (!schoolCompetencyData.description.isEmpty()) {
+                competency.append("\\\\\n").append(schoolCompetencyData.description);
+            }
+            competencyReplaced = competencySSCmd
+                    .replace("#COMPETENCY", competency)
+                    .replace("#GRADE", makeGrade(schoolCompetencyData.grade))
+                    .replace("#LEVEL", makeLevel(schoolCompetencyData.level));
+            competenciesTable.append(competencyReplaced);
+        }
+        return competenciesTable.toString();
+    }
+
+    public String makeGrade(String grade) {
+        switch (grade) {
+            case "1": return "\\gradeOne";
+            case "2": return "\\gradeTwo";
+            case "3": return "\\gradeThree";
+            case "4": return "\\gradeFour";
+            case "hj": return "\\gradeHj";
+            case "nb": return "\\gradeNon";
+            default: return "";
+        }
+    }
+
+    public String makeLevel(String level) {
+        switch (level) {
+            case "1": return "rot";
+            case "2": return "blau";
+            case "3": return "grün";
+            case "7": return "\\levelSeven";
+            case "8": return "\\levelEight";
+            case "9": return "\\levelNine";
+            default: return "";
+        }
+    }
+
+    public String loadTexTemplate(String texTemplate) {
+        Path path = Paths.get(texTemplate);
+        String texFileContent = null;
+        try {
+            texFileContent = Files.readString(path);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return texFileContent;
+    }
+
+    public String replaceBaseData(String texFileContent, SchoolReportData schoolReportData) {
+        texFileContent = texFileContent
+                .replace("#givenName", schoolReportData.givenName)
+                .replace("#surName", schoolReportData.surName)
+                .replace("#birthDay", schoolReportData.birthDay)
+                .replace("#schoolClass", schoolReportData.schoolClass)
+                .replace("#schoolYear", schoolReportData.schoolYear)
+                .replace("#partOfYear", schoolReportData.partOfYear);
+        return texFileContent;
     }
 }