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add: child methods

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This commit is contained in:
Johannes Kantz
2023-02-04 18:30:14 +01:00
parent 7534df3263
commit 944ddbff60
1 changed files with 220 additions and 87 deletions
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307
src/main/java/com/bib/essensbestellungsverwaltung/AccountMgr.java
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@@ -13,6 +13,7 @@ import java.util.List;
/**
* A collection of functions loosely related to account management
* Acts as an abstraction layer to the database
*
* @author Malte Schulze Hobeling
*/
public class AccountMgr {
@@ -21,226 +22,354 @@ public class AccountMgr {
/**
* creates a user with createUser(...) and adds its id to the 'worker' table
*
* @param worker the worker to be created
* @return userid or -1
* @author Malte Schulze Hobeling
*/
protected static long createWorker(Worker worker){
protected static long createWorker(Worker worker) {
long id = createUser(worker);
String sId = String.valueOf(id);
Database.insert("worker", new String[]{"userid"}, new String[]{sId});
Database.insert("worker", new String[] { "userid" }, new String[] { sId });
return id;
}
/**
* creates a user with createUser(...) and adds its id to the 'parent' table
*
* @param parent the parent to be created
* @return userid or -1
* @author Malte Schulze Hobeling
*/
protected static long createParent(Parent parent){
protected static long createParent(Parent parent) {
long id = createUser(parent);
String sId = String.valueOf(id);
Database.insert("parent", new String[]{"userid"}, new String[]{sId});
Database.insert("parent", new String[] { "userid" }, new String[] { sId });
return id;
}
/**
* adds a user to the database
*
* @param user the user to be created
* @return userid or -1
* @author Malte Schulze Hobeling
*/
protected static long createUser(User user) {
String[] userH = {"name", "firstname", "addressid", "password", "email"};
String[] userH = { "name", "firstname", "addressid", "password", "email" };
String name = user.getName();
String firstname = user.getFirstname();
String pw = hashAndSalt(user.getPassword(), getSalt());
String email = user.getEmail();
long addressId = user.getAddress().getId();
if(addressId < 1){
if (addressId < 1) {
addressId = createAddress(user.getAddress());
}
String[] userD = {name, firstname, String.valueOf(addressId), pw, email};
String[] userD = { name, firstname, String.valueOf(addressId), pw, email };
return Database.insert("user", userH, userD);
}
/**
* adds an address to the database
*
* @param address the address to be created
* @return id or -1
* @author Malte Schulze Hobeling
*/
protected static long createAddress(Address address){
String[] addressH = {"street", "number", "plz", "city"};
String[] addressD = {address.getStreet(),address.getNumber(),address.getPlz(),address.getCity()};
return Database.insert("address",addressH,addressD);
protected static long createAddress(Address address) {
String[] addressH = { "street", "number", "plz", "city" };
String[] addressD = { address.getStreet(), address.getNumber(), address.getPlz(), address.getCity() };
return Database.insert("address", addressH, addressD);
}
/**
* adds a child and allergies to the database
*
* @param child the child to be created
* @return id of child or -1
* @author Malte Schulze Hobeling
*/
protected static long createChild(Child child){
String[] childH = {"name","firstname","addressid"};
String[] childD = {child.getName(), child.getFirstname(), String.valueOf(child.getAddress().getId())};
protected static long createChild(Child child) {
String[] childH = { "name", "firstname", "addressid" };
String[] childD = { child.getName(), child.getFirstname(), String.valueOf(child.getAddress().getId()) };
long id = Database.insert("child", childH, childD);
String[] child_allergyH = {"childid","allergyid","severityid"};
for (AllergySeverity allergy: child.getAllergies()) {
String[] child_allergyH = { "childid", "allergyid", "severityid" };
for (AllergySeverity allergy : child.getAllergies()) {
String sId = String.valueOf(id);
String sAllergyId = String.valueOf(allergy.getAllergy().getId());
String sSeverityId = String.valueOf(allergy.getSeverityId());
String[] child_allergyD = {sId,sAllergyId,sSeverityId};
Database.insert("child_allergy",child_allergyH,child_allergyD);
String[] child_allergyD = { sId, sAllergyId, sSeverityId };
Database.insert("child_allergy", child_allergyH, child_allergyD);
}
return id;
}
/**
* returns a User(Worker | Parent) for a given id or null if no unique id was found
* update Child
*
* @param child the child to be updated
* @return id of child
* @author Johannes Kantz
*/
protected static long updateChild(Child child) {
String[] childH = { "id", "name", "firstname", "addressid" };
String[] childD = { String.valueOf(child.getId()), child.getName(), child.getFirstname(),
String.valueOf(child.getAddress().getId()) };
long updates = Database.update("child", childH, childD);
String[] child_allergyH = { "childid", "allergyid", "severityid" };
Database.select("child_allergy", new String[] { "childid" }, new String[] { String.valueOf(child.getId()) })
.stream().forEach(row -> {
String allergyId = row.split(":")[0];
Database.delete("child_allergy", Integer.parseInt(allergyId));
});
for (AllergySeverity allergy : child.getAllergies()) {
String sId = String.valueOf(child.getId());
String sAllergyId = String.valueOf(allergy.getAllergy().getId());
String sSeverityId = String.valueOf(allergy.getSeverityId());
String[] child_allergyD = { sId, sAllergyId, sSeverityId };
Database.insert("child_allergy", child_allergyH, child_allergyD);
}
return updates;
}
/**
* delete Child
*
* @author Johannes Kantz
*/
protected static void deleteChildWithId(long id) {
Database.delete("child", id);
Database.select("child_allergy", new String[] { "childid" }, new String[] { String.valueOf(id) }).stream()
.forEach(row -> {
String allergyId = row.split(":")[0];
Database.delete("child_allergy", Integer.parseInt(allergyId));
});
}
/**
* returns a User(Worker | Parent) for a given id or null if no unique id was
* found
*
* @param id id of the User
* @return User(Worker | Parent) or null
* @author Malte Schulze Hobeling
*/
protected static User getUserById(long id){
List<String> entry = Database.getEntryById("user",id);
if(entry.size() != 1){
protected static User getUserById(long id) {
List<String> entry = Database.getEntryById("user", id);
if (entry.size() != 1) {
return null;
}
String[] parts = entry.get(0).split(":");
Address address = getAddressById(id);
if(isWorker(String.valueOf(id))){
return new Worker(id,parts[1],parts[2],parts[4],parts[5],address);
}else{
String[] parent_childH = {"parentuserid"};
String[] parent_childD = {String.valueOf(id)};
if (isWorker(String.valueOf(id))) {
return new Worker(id, parts[1], parts[2], parts[4], parts[5], address);
} else {
String[] parent_childH = { "parentuserid" };
String[] parent_childD = { String.valueOf(id) };
List<Child> children = new ArrayList<>();
List<String> parent_childEntries = Database.select("parent_child",parent_childH,parent_childD);
for (String parent_childEntry: parent_childEntries) {
List<String> parent_childEntries = Database.select("parent_child", parent_childH, parent_childD);
for (String parent_childEntry : parent_childEntries) {
String[] parent_childParts = parent_childEntry.split(":");
children.add(getChildById(Long.parseLong(parent_childParts[2])));
}
return new Parent(id,parts[1],parts[2],parts[4],parts[5],address,children);
return new Parent(id, parts[1], parts[2], parts[4], parts[5], address, children);
}
}
/**
* returns a Child for a given id or null if no unique id was found
*
* @param id id of child
* @return Child or null
* @author Malte Schulze Hobeling
*/
protected static Child getChildById(long id){
List<String> entry = Database.getEntryById("child",id);
if(entry.size() != 1){
protected static Child getChildById(long id) {
List<String> entry = Database.getEntryById("child", id);
if (entry.size() != 1) {
return null;
}
String[] parts = entry.get(0).split(":");
String[] child_allergyH = {"childid"};
String[] child_allergyD = {String.valueOf(id)};
List<String> entriesAllergy = Database.select("child_allergy",child_allergyH,child_allergyD);
String[] child_allergyH = { "childid" };
String[] child_allergyD = { String.valueOf(id) };
List<String> entriesAllergy = Database.select("child_allergy", child_allergyH, child_allergyD);
List<AllergySeverity> allergySeverities = new ArrayList<>();
for (String entryAllergy : entriesAllergy) {
String[] allergyParts = entryAllergy.split(":");
List<String> severity = Database.getEntryById("severity", Long.parseLong(allergyParts[3]));
String sSeverity = severity.get(0).split(":")[1];
long lSeverity = Long.parseLong(severity.get(0).split(":")[0]);
allergySeverities.add(new AllergySeverity(FoodMgr.getAllergyById(Long.parseLong(allergyParts[2])),lSeverity,sSeverity));
allergySeverities.add(
new AllergySeverity(FoodMgr.getAllergyById(Long.parseLong(allergyParts[2])), lSeverity, sSeverity));
}
return new Child(id,parts[1],parts[2],getAddressById(Long.parseLong(parts[3])),allergySeverities);
return new Child(id, parts[1], parts[2], getAddressById(Long.parseLong(parts[3])), allergySeverities);
}
/**
* returns all Children
*
* @return {List<Child} List with Childen or empty List
* @author Johannes Kantz
*/
protected static List<Child> getAllChildren() {
List<String> entry = Database.getTable("child");
if (entry.size() < 1) {
return new ArrayList<>();
}
List<Child> children = new ArrayList<>();
for (String s : entry) {
String[] parts = s.split(":");
String[] child_allergyH = { "childid" };
String[] child_allergyD = { String.valueOf(parts[0]) };
List<String> entriesAllergy = Database.select("child_allergy", child_allergyH, child_allergyD);
List<AllergySeverity> allergySeverities = new ArrayList<>();
for (String entryAllergy : entriesAllergy) {
String[] allergyParts = entryAllergy.split(":");
List<String> severity = Database.getEntryById("severity", Long.parseLong(allergyParts[3]));
String sSeverity = severity.get(0).split(":")[1];
long lSeverity = Long.parseLong(severity.get(0).split(":")[0]);
allergySeverities.add(new AllergySeverity(FoodMgr.getAllergyById(Long.parseLong(allergyParts[2])),
lSeverity, sSeverity));
}
children.add(new Child(Long.parseLong(parts[0]), parts[1], parts[2],
getAddressById(Long.parseLong(parts[3])), allergySeverities));
}
return children;
}
/**
* returns all Children from parent
* @param id parentid
* @return {List<Child} List with Childen or empty List
* @author Johannes Kantz
*/
protected static List<Child> getAllChildrenFromParentWithId(long id) {
List<String> entry = Database.select("parent_child", new String[] { "parentuserid" },
new String[] { String.valueOf(id) });
if (entry.size() < 1) {
return new ArrayList<>();
}
List<String> childIds = new ArrayList<>();
for (String s : entry) {
String[] parts = s.split(":");
childIds.add(parts[2]);
}
List<Child> children = new ArrayList<>();
for (String s : childIds) {
List<String> child = Database.getEntryById("child", Long.parseLong(s));
String[] parts = child.get(0).split(":");
String[] child_allergyH = { "childid" };
String[] child_allergyD = { String.valueOf(parts[0]) };
List<String> entriesAllergy = Database.select("child_allergy", child_allergyH, child_allergyD);
List<AllergySeverity> allergySeverities = new ArrayList<>();
for (String entryAllergy : entriesAllergy) {
String[] allergyParts = entryAllergy.split(":");
List<String> severity = Database.getEntryById("severity", Long.parseLong(allergyParts[3]));
String sSeverity = severity.get(0).split(":")[1];
long lSeverity = Long.parseLong(severity.get(0).split(":")[0]);
allergySeverities.add(new AllergySeverity(FoodMgr.getAllergyById(Long.parseLong(allergyParts[2])),
lSeverity, sSeverity));
}
children.add(new Child(Long.parseLong(parts[0]), parts[1], parts[2],
getAddressById(Long.parseLong(parts[3])), allergySeverities));
}
return children;
}
/**
* returns an Address for a given id or null if no unique id was found
*
* @param id id of the address
* @return Address or null
* @author Malte Schulze Hobeling
*/
protected static Address getAddressById(long id){
List<String> entry = Database.getEntryById("address",id);
if(entry.size() != 1){
protected static Address getAddressById(long id) {
List<String> entry = Database.getEntryById("address", id);
if (entry.size() != 1) {
return null;
}
String[] parts = entry.get(0).split(":");
return new Address(Long.parseLong(parts[0]),parts[1],parts[2],parts[3],parts[4]);
return new Address(Long.parseLong(parts[0]), parts[1], parts[2], parts[3], parts[4]);
}
/**
* creates entries in the database to match parent to child
*
* @param parentId id of parent
* @param childId id of child
* @param childId id of child
* @return id of parent_child or -1
* @author Malte Schulze Hobeling
*/
protected static long matchParentChild(String parentId, String childId){
String[] parent_childH = {"parentuserid","childid"};
String[] parent_childD = {parentId,childId};
return Database.insert("parent_child", parent_childH,parent_childD);
protected static long matchParentChild(String parentId, String childId) {
String[] parent_childH = { "parentuserid", "childid" };
String[] parent_childD = { parentId, childId };
return Database.insert("parent_child", parent_childH, parent_childD);
}
/**
* a simple login to check if a given email matches a password
*
* @param email email
* @param pw password
* @param pw password
* @return id or -1
* @author Malte Schulze Hobeling
*/
protected static long login(String email, String pw){
String[] pwH = {"email"};
String[] pwD = {email};
List<String> foundEmail = Database.select("user",pwH,pwD);
protected static long login(String email, String pw) {
String[] pwH = { "email" };
String[] pwD = { email };
List<String> foundEmail = Database.select("user", pwH, pwD);
String salt;
if(foundEmail.size() == 1){
if (foundEmail.size() == 1) {
String[] userParts = foundEmail.get(0).split(":");
String[] pwParts = userParts[4].split("\\.");
salt = pwParts[1];
}else{
//no unique user found; still calculating a hash for security reasons
} else {
// no unique user found; still calculating a hash for security reasons
salt = getSalt();
}
String[] userH = {"email","password"};
String[] userD = {email,hashAndSalt(pw,salt)};
return Database.getSingleId("user",userH,userD);
String[] userH = { "email", "password" };
String[] userD = { email, hashAndSalt(pw, salt) };
return Database.getSingleId("user", userH, userD);
}
/**
* checks if id is in worker table
*
* @param id userid
* @return true if id is in worker table
* @author Malte Schulze Hobeling
*/
protected static boolean isWorker(String id){
String[] workerH = {"userid"};
String[] workerD = {id};
long workerId = Database.getSingleId("worker",workerH,workerD);
protected static boolean isWorker(String id) {
String[] workerH = { "userid" };
String[] workerD = { id };
long workerId = Database.getSingleId("worker", workerH, workerD);
return workerId > 0;
}
/**
* checks if id is in parent table
*
* @param id userid
* @return true if id is in parent table
* @author Malte Schulze Hobeling
*/
protected static boolean isParent(String id){
String[] parentH = {"userid"};
String[] parentD = {id};
long parentId = Database.getSingleId("parent",parentH,parentD);
protected static boolean isParent(String id) {
String[] parentH = { "userid" };
String[] parentD = { id };
long parentId = Database.getSingleId("parent", parentH, parentD);
return parentId > 0;
}
/**
* returns a hashed and salted password
*
* @param pw the password to hash
* @return hashed and salted password
* @author Malte Schulze Hobeling
*/
private static String hashAndSalt(String pw, String salt){
private static String hashAndSalt(String pw, String salt) {
Base64.Decoder dec = Base64.getDecoder();
byte[] bySalt = dec.decode(salt);
KeySpec spec = new PBEKeySpec(pw.toCharArray(), bySalt,310001,256);
KeySpec spec = new PBEKeySpec(pw.toCharArray(), bySalt, 310001, 256);
String hashedPw;
try {
SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
@@ -256,10 +385,11 @@ public class AccountMgr {
/**
* generates a secure random salt, Base64 encoded
*
* @return String Base64 encoded
* @author Malte Schulze Hobeling
*/
private static String getSalt(){
private static String getSalt() {
SecureRandom sec = new SecureRandom();
byte[] salt = new byte[16];
sec.nextBytes(salt);
@@ -269,59 +399,62 @@ public class AccountMgr {
/**
* gives the invoice for one month and one child
* @param date YYYY-MM the month
*
* @param date YYYY-MM the month
* @param childId id of child
* @return the invoice as a List
* @author Malte Schulze Hobeling
*/
protected static List<String> getInvoice(String date, String childId){
protected static List<String> getInvoice(String date, String childId) {
List<String> invoice = new ArrayList<>();
List<String> child = Database.getEntryById("child", Long.parseLong(childId));
if(child.size() != 1){
if (child.size() != 1) {
return invoice;
}
invoice.add("Monatsabrechnung " + date);
String[] childParts = child.get(0).split(":");
invoice.add(childParts[1] + ", " + childParts[2]);
String[] food_planH = {"date"};
String[] food_planD = {date+"%"};
List<String> food_plan = Database.select("food_plan",food_planH,food_planD);
String[] food_planH = { "date" };
String[] food_planD = { date + "%" };
List<String> food_plan = Database.select("food_plan", food_planH, food_planD);
for (String day : food_plan) {
String[] food_planParts = day.split(":");
String[] food_selectionH = {"childid","food_planid"};
String[] food_selectionD = {childId,food_planParts[0]};
List<String> food_selection = Database.select("food_selection",food_selectionH,food_selectionD);
String[] food_selectionH = { "childid", "food_planid" };
String[] food_selectionD = { childId, food_planParts[0] };
List<String> food_selection = Database.select("food_selection", food_selectionH, food_selectionD);
for (String food_select : food_selection) {
String[] food_selectParts = food_select.split(":");
List<String> food = Database.getEntryById("food",Long.parseLong(food_selectParts[3]));
List<String> food = Database.getEntryById("food", Long.parseLong(food_selectParts[3]));
String[] foodParts = food.get(0).split(":");
String line = food_planParts[1] + ": " + foodParts[1];
invoice.add(line);
}
}
double price = getPrice();
invoice.add("Total: " + (invoice.size()-2) + " X " + price + "€ = " + ((invoice.size()-2)*price) + "€");
invoice.add("Total: " + (invoice.size() - 2) + " X " + price + "€ = " + ((invoice.size() - 2) * price) + "€");
return invoice;
}
/**
* gets the price per meal from the database and converts it to double
*
* @return double price
* @author Malte Schulze Hobeling
*/
protected static double getPrice(){
List<String> priceEntry = Database.getEntryById("price",1);
return Double.parseDouble(priceEntry.get(0).split(":")[1])/100.0;
protected static double getPrice() {
List<String> priceEntry = Database.getEntryById("price", 1);
return Double.parseDouble(priceEntry.get(0).split(":")[1]) / 100.0;
}
/**
* converts the price per meal to integer and updates it in the database
*
* @param price double
* @author Malte Schulze Hobeling
*/
protected static void setPrice(double price){
String[] priceH = {"id","price"};
String[] priceD = {"1", String.valueOf((int)(price*100))};
Database.update("price",priceH,priceD);
protected static void setPrice(double price) {
String[] priceH = { "id", "price" };
String[] priceD = { "1", String.valueOf((int) (price * 100)) };
Database.update("price", priceH, priceD);
}
}