Add the CLI and entry point.

src/main/java/space/kklochko/jdbc_hospital_example/Main.java

@@ -0,0 +1,19 @@
+package space.kklochko.jdbc_hospital_example;
+
+import space.kklochko.jdbc_hospital_example.cli.CLI;
+import space.kklochko.jdbc_hospital_example.config.factories.LoadDataBaseConfigFromEnvFile;
+import space.kklochko.jdbc_hospital_example.config.models.DataBaseConfig;
+import space.kklochko.jdbc_hospital_example.db.factories.DataBaseConnection;
+
+import java.sql.*;
+
+public class Main {
+    public static void main(String[] args) throws SQLException {
+        DataBaseConfig db = (new LoadDataBaseConfigFromEnvFile()).load();
+        DataBaseConnection dbc = new DataBaseConnection(db);
+
+        CLI cli = new CLI(dbc);
+        cli.run();
+    }
+}
+

src/main/java/space/kklochko/jdbc_hospital_example/cli/CLI.java

@@ -0,0 +1,133 @@
+package space.kklochko.jdbc_hospital_example.cli;
+
+import lombok.Getter;
+import lombok.NonNull;
+import lombok.Setter;
+import space.kklochko.jdbc_hospital_example.cli.commands.CommandData;
+import space.kklochko.jdbc_hospital_example.cli.commands.CommandEntities;
+import space.kklochko.jdbc_hospital_example.cli.commands.CommandEntity;
+import space.kklochko.jdbc_hospital_example.cli.commands.factories.CommandFactory;
+import space.kklochko.jdbc_hospital_example.cli.commands.factories.ReadAllFactory;
+import space.kklochko.jdbc_hospital_example.cli.parsers.CommandParser;
+import space.kklochko.jdbc_hospital_example.cli.validators.InputStringFormatValidator;
+import space.kklochko.jdbc_hospital_example.cli.validators.Validator;
+import space.kklochko.jdbc_hospital_example.db.factories.DataBaseConnection;
+import space.kklochko.jdbc_hospital_example.db.repositories.AbstractRepository;
+import space.kklochko.jdbc_hospital_example.db.repositories.DepartmentRepository;
+import space.kklochko.jdbc_hospital_example.db.repositories.IndicatorRepository;
+import space.kklochko.jdbc_hospital_example.db.repositories.PatientRepository;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.Scanner;
+@Setter
+@Getter
+public class CLI {
+    private final String prompt = "> ";
+    private String state = "prompt";
+    private final String help = "Help (help or h)\n" +
+            "Command format: `command {item}(arg1=value1, ...`\n\n" +
+
+            "Commands: \n" +
+            "insert {item}({args}): \n" +
+            "update {item}({args}): \n" +
+            "readAll {item}: \n" +
+            "delete {item}(uuid='07c6e39e-727a-11ee-8e7b-c0e4349366ab'}).\n" +
+
+            "Examples:\n" +
+
+            "\nDepartment:\n" +
+            "\tinsert department(id='bcbbcdb4-702c-11ee-9113-c0e4349366cb', name='First department', location='Stepan Bandera Street', phone='380123451244')\n" +
+            "\tinsert department(name='First department', location='Stepan Bandera Street', phone='380123451244')\n" +
+            "\tupdate department(id='bcbbcdb4-702c-11ee-9113-c0e4349366cb', name='First department', location='Stepan Bandera Street', phone='380123451244')\n" +
+            "\treadAll department()\n" +
+            "\tremove department(id='bcbbcdb4-702c-11ee-9113-c0e4349366cb')\n" +
+
+            "\nPatient:\n" +
+            "\tinsert patient(id='bcbbcdb4-702c-11ee-9113-c0e4349366bb', name='Oleh', age='21', phone='380123451234')\n" +
+            "\tinsert patient(name='Oleh', age='21', phone='380123451234')\n" +
+            "\tupdate patient(id='bcbbcdb4-702c-11ee-9113-c0e4349366bb', name='Oleh', age='21', phone='380123451234')\n" +
+            "\treadAll patient()\n" +
+            "\tremove patient(id='bcbbcdb4-702c-11ee-9113-c0e4349366bb')\n" +
+
+            "\nIndicators:\n" +
+            "\tinsert indicator(id='07c6e39e-727a-11ee-8e7b-c0e4349366ab', type='blood245', values='well maybe', timestamp='2023-10-17 14:30:00')\n" +
+            "\tinsert indicator(type='blood246', values='well maybe', timestamp='2023-10-17 14:30:00')\n" +
+            "\tupdate indicator(id='07c6e39e-727a-11ee-8e7b-c0e4349366ab', type='blood247', values='well maybe', timestamp='2023-10-17 14:30:00')\n" +
+            "\treadAll indicator()\n" +
+            "\tremove indicator(id='07c6e39e-727a-11ee-8e7b-c0e4349366ab')\n";
+
+    DataBaseConnection dbc;
+
+    public CLI(DataBaseConnection dbc) {
+        this.dbc = dbc;
+    }
+
+    public void run() {
+        Scanner reader = new Scanner(System.in);
+        String line = "";
+        CommandData commandData;
+
+        while(true) {
+            if(getState() == "prompt") {
+                System.out.print(prompt);
+                setState("waitInput");
+            }else if(getState() == "waitInput") {
+                line = reader.nextLine();
+                setState("isHelp?");
+            }else if(getState() == "isHelp?") {
+                if(line.equals("h") || line.equals("help")) {
+                    System.out.println(help);
+                    setState("prompt");
+                }else {
+                    setState("validate");
+                }
+            } else if(getState() == "validate") {
+                ArrayList<Validator> validators = new ArrayList<>();
+                validators.add(new InputStringFormatValidator(line));
+
+                setState("run");
+
+                for (Validator validator : validators) {
+                    if(!validator.isValid()) {
+                        System.err.println(validator.getMessage());
+                        System.out.println();
+                        setState("prompt");
+                    }
+                }
+            } else if(getState() == "run") {
+                CommandParser commandParser = new CommandParser();
+                commandData = commandParser.parse(line);
+
+                runCommand(commandData);
+                setState("prompt");
+            }
+        }
+    }
+
+    public void runCommand(CommandData commandData) {
+        if(commandData.getName().equals("readAll")) {
+            ReadAllFactory factory = new ReadAllFactory();
+            CommandEntities command = factory.create(commandData, getRepository(commandData));
+            ArrayList items = command.run();
+
+            for(Iterator iter = command.run().iterator(); iter.hasNext(); ) {
+                System.out.println(iter.next());
+            }
+        } else {
+            CommandFactory factory = new CommandFactory();
+            CommandEntity command = factory.create(commandData, getRepository(commandData));
+            command.run();
+        }
+    }
+
+    public AbstractRepository getRepository(@NonNull CommandData commandData) {
+        if(commandData.getDatatype().equals("indicator")) {
+            return new IndicatorRepository(dbc);
+        }else if(commandData.getDatatype().equals("patient")) {
+            return new PatientRepository(dbc);
+        }else {
+            return new DepartmentRepository(dbc);
+        }
+    }
+}