Update DBHomework.

And I'm gonna to sleep now.

DBHomework.depend

@@ -14,11 +14,11 @@
 	"MySQLWrapper.h"
 	"json.hpp"
 
-1510879577 d:\codeblocks_codes\dbhomework\mysqlwrapper\mysqlwrapper.h
+1511076615 d:\codeblocks_codes\dbhomework\mysqlwrapper\mysqlwrapper.h
 	<functional>
 	<string>
 
-1510879577 source:d:\codeblocks_codes\dbhomework\mysqlwrapper\mysqlwrapper.cpp
+1511076563 source:d:\codeblocks_codes\dbhomework\mysqlwrapper\mysqlwrapper.cpp
 	"MySQLWrapper.h"
 	"MySQLInclude.h"
 	<string>
@@ -191,7 +191,7 @@
 1510881771 source:d:\codeblocks_codes\dbhomework\httpwrapper\sessionmanager.cpp
 	"SessionManager.h"
 
-1510901514 source:d:\codeblocks_codes\dbhomework\httpwrapper\session.cpp
+1511102541 source:d:\codeblocks_codes\dbhomework\httpwrapper\session.cpp
 	"Session.h"
 	"Singleton.hpp"
 	"Util.h"
@@ -200,7 +200,7 @@
 	<cstdlib>
 	<cstring>
 
-1510901603 d:\codeblocks_codes\dbhomework\httpwrapper\session.h
+1511102538 d:\codeblocks_codes\dbhomework\httpwrapper\session.h
 	"Request.h"
 	"Response.h"
 	<string>
@@ -224,3 +224,8 @@
 	"Util.h"
 	"json.hpp"
 
+1511102500 source:d:\codeblocks_codes\dbhomework\addbooktype.cpp
+	"Session.h"
+	"Util.h"
+	"json.hpp"
+

DBHomework.layout

@@ -2,19 +2,24 @@
 <CodeBlocks_layout_file>
 	<FileVersion major="1" minor="0" />
 	<ActiveTarget name="Release" />
-	<File name="HTTPWrapper\Request.h" open="1" top="0" tabpos="9" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
+	<File name="HTTPWrapper\Request.h" open="1" top="0" tabpos="10" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
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-	<File name="HTTPWrapper\Session.h" open="1" top="0" tabpos="5" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
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 		<Cursor>
-			<Cursor1 position="562" topLine="7" />
+			<Cursor1 position="21" topLine="27" />
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 	</File>
-	<File name="HTTPWrapper\Response.cpp" open="1" top="0" tabpos="11" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
+	<File name="HTTPWrapper\Util.h" open="1" top="0" tabpos="8" split="0" active="1" splitpos="0" zoom_1="1" zoom_2="0">
 		<Cursor>
-			<Cursor1 position="560" topLine="30" />
+			<Cursor1 position="867" topLine="12" />
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+	</File>
+	<File name="HTTPWrapper\Response.h" open="1" top="0" tabpos="1" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
+		<Cursor>
+			<Cursor1 position="76" topLine="0" />
 		</Cursor>
 	</File>
 	<File name="MySQLWrapper\MySQLInclude.h" open="0" top="0" tabpos="0" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
@@ -22,32 +27,47 @@
 			<Cursor1 position="66" topLine="0" />
 		</Cursor>
 	</File>
-	<File name="HTTPWrapper\Util.h" open="1" top="0" tabpos="7" split="0" active="1" splitpos="0" zoom_1="1" zoom_2="0">
+	<File name="MySQLWrapper\MySQLWrapper.h" open="1" top="0" tabpos="13" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
 		<Cursor>
-			<Cursor1 position="867" topLine="12" />
+			<Cursor1 position="562" topLine="20" />
 		</Cursor>
 	</File>
-	<File name="HTTPWrapper\Request.cpp" open="1" top="0" tabpos="10" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
+	<File name="addbooktype.cpp" open="1" top="1" tabpos="3" split="0" active="1" splitpos="0" zoom_1="3" zoom_2="0">
+		<Cursor>
+			<Cursor1 position="983" topLine="32" />
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+	</File>
+	<File name="HTTPWrapper\Request.cpp" open="1" top="0" tabpos="11" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
 		<Cursor>
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 	</File>
-	<File name="HTTPWrapper\Singleton.hpp" open="1" top="0" tabpos="4" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
+	<File name="HTTPWrapper\Response.cpp" open="1" top="0" tabpos="12" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
 		<Cursor>
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-	<File name="HTTPWrapper\Util.cpp" open="1" top="0" tabpos="8" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
+	<File name="HTTPWrapper\Session.h" open="1" top="0" tabpos="6" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
+		<Cursor>
+			<Cursor1 position="579" topLine="7" />
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+	</File>
+	<File name="MySQLWrapper\MySQLWrapper.cpp" open="1" top="0" tabpos="14" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
+		<Cursor>
+			<Cursor1 position="2643" topLine="96" />
+		</Cursor>
+	</File>
+	<File name="HTTPWrapper\Util.cpp" open="1" top="0" tabpos="9" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
 		<Cursor>
 			<Cursor1 position="3294" topLine="132" />
 		</Cursor>
 	</File>
-	<File name="addbooktype.cpp" open="1" top="1" tabpos="14" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
+	<File name="HTTPWrapper\Session.cpp" open="1" top="0" tabpos="7" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
 		<Cursor>
-			<Cursor1 position="192" topLine="0" />
+			<Cursor1 position="2514" topLine="117" />
 		</Cursor>
 	</File>
-	<File name="HTTPWrapper\CookieVec.cpp" open="1" top="0" tabpos="3" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
+	<File name="HTTPWrapper\CookieVec.cpp" open="1" top="0" tabpos="4" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
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@@ -57,24 +77,4 @@
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-			<Cursor1 position="562" topLine="20" />
-		</Cursor>
-	</File>
 </CodeBlocks_layout_file>

HTTPWrapper

@@ -1 +1 @@
-Subproject commit d6d82ae0d96c0c0c0ef800dbe6aa6871170b6236
+Subproject commit d4ce5626c4b6eb6e36b59c0811733c8ddf4001ae

addbook.cpp

@@ -0,0 +1,167 @@
+#include "Session.h"
+#include "Util.h"
+#include "json.hpp"
+using namespace std;
+using json = nlohmann::json;
+
+#define postval(NAME) string NAME=req.post[#NAME]
+
+int main()
+{
+    Request req;
+    Session se(req);
+    Response res;
+    json j;
+
+    auto jsonfail=[&](int errcode,const std::string& errmsg)
+    {
+        j["success"]=0;
+        j["errcode"]=errcode;
+        j["errmsg"]=errmsg;
+    };
+
+    if(se.isNew()||se.getUser().empty())
+    {
+        jsonfail(1,"Please Login First");
+    }
+
+    if(req.requestMethod=="POST")
+    {
+        if(req.post["isbn"].empty() ||
+           req.post["bookname"].empty() ||
+           req.post["booktype"].empty() ||
+           req.post["author"].empty() ||
+           req.post["publisher"].empty() ||
+           req.post["pubdate"].empty() ||
+           req.post["status"].empty() )
+        {
+            jsonfail(3,"Missing parameter");
+        }
+        else
+        {
+            postval(isbn);
+            postval(bookname);
+            postval(booktype);
+            postval(author);
+            postval(publisher);
+            postval(pubdate);
+            postval(status);
+
+            DBInfo db;
+            if(db.readConfig()<0)
+            {
+                jsonfail(5,"Failed to read config");
+            }
+            else
+            {
+                MySQLConn conn;
+                if(db.connectProxy(conn)<0)
+                {
+                    jsonfail(6,"Failed to connect DB");
+                }
+                else
+                {
+                    int counter;
+                    if(conn.exec("select count(class_id) from bs_book",[&](MySQLResult& res)
+                              {
+                                  res.stepRow([&](char** val,unsigned long* len)
+                                              {
+                                                  counter=ParseInt(val[0]);
+                                              });
+                              })<0)
+                    {
+                        jsonfail(7,"Failed to execute SQL at Step 1");
+                    }
+                    else
+                    {
+                        if(counter==0)
+                        {
+                            /// First book, class_id = 1, goto step 3 directly.
+                            if(conn.exec(make_str("insert into bs_book values (1,'",
+                                                  isbn,
+                                                  "','",
+                                                  bookname,
+                                                  "','",
+                                                  booktype,
+                                                  "','",
+                                                  author,
+                                                  "','",
+                                                  publisher,
+                                                  "','",
+                                                  pubdate,
+                                                  "',2)"),nullptr)<0)
+                            {
+                                jsonfail(9,"Failed to execute SQL at step 3");
+                            }
+                            else
+                            {
+                                if(conn.getAffectedRows()!=1)
+                                {
+                                    jsonfail(10,"Failed to execute SQL at step 4");
+                                }
+                                else
+                                {
+                                    j["success"]=1;
+                                }
+                            }
+                        }
+                        else
+                        {
+                            /// Try to find the max class id.
+                            int maxId;
+                            if(conn.exec("select max(class_id) from bs_book ",[&](MySQLResult& res)
+                                         {
+                                             res.stepRow([&](char** val,unsigned long* len)
+                                                         {
+                                                             maxId=ParseInt(val[0]);
+                                                         });
+                                         })<0)
+                            {
+                                jsonfail(8,"Failed to execute SQL at step 2");
+                            }
+
+                            /// Give new book.class_id as maxId+1
+                            if(conn.exec(make_str("insert into bs_book values (",
+                                                  maxId+1,
+                                                  ",'",
+                                                  isbn,
+                                                  "','",
+                                                  bookname,
+                                                  "','",
+                                                  booktype,
+                                                  "','",
+                                                  author,
+                                                  "','",
+                                                  publisher,
+                                                  "','",
+                                                  pubdate,
+                                                  "',2)"),nullptr)<0)
+                            {
+                                jsonfail(9,"Failed to execute SQL at step 3");
+                            }
+                            else
+                            {
+                                if(conn.getAffectedRows()!=1)
+                                {
+                                    jsonfail(10,"Failed to execute SQL at step 4");
+                                }
+                                else
+                                {
+                                    j["success"]=1;
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+    else
+    {
+        jsonfail(2,"Unsupported request method.");
+    }
+
+    res.content.append(j.dump());
+    res.show();
+    return 0;
+}

addbooktype.cpp

@@ -2,14 +2,97 @@
 #include "Util.h"
 #include "json.hpp"
 using namespace std;
-using json = nlohmann::json;
+using json=nlohmann::json;
+
+#define postval(NAME) string NAME=req.post[#NAME]
 
 int main()
 {
     Request req;
     Session se(req);
     Response res;
+    json j;
 
+    auto jsonfail=[&](int errcode,const std::string& errmsg)
+    {
+        j["success"]=0;
+        j["errcode"]=errcode;
+        j["errmsg"]=errmsg;
+    };
+
+    if(se.isNew()||se.getUser().empty())
+    {
+        jsonfail(1,"Please Login First");
+    }
+
+    DBInfo db;
+    MySQLConn conn;
+    if(db.readConfig()<0)
+    {
+        jsonfail(4,"Failed to read config");
+    }
+    else
+    {
+        if(db.connectProxy(conn)<0)
+        {
+            jsonfail(5,"Failed to connect DB");
+        }
+        else
+        {
+            if(conn.exec(make_str("select permission_level from bs_user where username='",
+                                  se.getUser(),
+                                  "'"),/// TODO
+                                  ))
+        }
+
+    if(req.requestMethod!="POST")
+    {
+        jsonfail(2,"Unsupported request method");
+    }
+    else
+    {
+        if(req.post["booktype"].empty())
+        {
+            jsonfail(3,"Missing Parameters");
+        }
+        else
+        {
+            postval(booktype);
+            DBInfo db;
+            if(db.readConfig()<0)
+            {
+                jsonfail(4,"Failed to read config");
+            }
+            else
+            {
+                MySQLConn conn;
+                if(db.connectProxy(conn)<0)
+                {
+                    jsonfail(5,"Failed to connect DB");
+                }
+                else
+                {
+                    if(conn.exec(make_str("insert into bs_booktype values ('",
+                                          booktype,
+                                          "')"),nullptr)<0)
+                    {
+                        jsonfail(6,"Failed to execute SQL");
+                    }
+                    else
+                    {
+                        if(conn.getAffectedRows()!=1)
+                        {
+                            jsonfail(7,"insert affects not equals 1");
+                        }
+                        else
+                        {
+                            j["success"]=1;
+                        }
+                    }
+                }
+            }
+        }
+    }
 
     return 0;
 }

setup.sql

@@ -64,7 +64,7 @@ create table bs_booktype
 );
 create table bs_book
 (
-	class_id varchar(20) primary key,
+	class_id integer primary key,
 	isbn varchar(13) unique,
 	name varchar(20),
 	book_type varchar(10) references bs_booktype(book_type),
@@ -75,15 +75,15 @@ create table bs_book
 );
 create table bs_bookstatus
 (
-	book_id varchar(25) primary key,
+	book_id integer primary key,
-	class_id varchar(20) references bs_book(class_id),
+	class_id integer references bs_book(class_id),
 	position varchar(30),
 	status integer references bs_meta_bookstatus(status)
 );
 create table bs_borrow
 (
 	username varchar(10) references bs_user(username),
-	book_id varchar(25) references bs_bookstatus(book_id),
+	book_id integer references bs_bookstatus(book_id),
 	borrow_time date not null,
 	return_deadline date not null,
 	return_time date