Daily update, added .cpp files for two commands: initialize.cpp and run.cpp

.gitignore

@@ -11,3 +11,5 @@ building/*.svg
 .idea/
 compile_commands.json
 local.sh
+
+iu9-ca-web-chat.db

building/main.cpp

@@ -145,6 +145,8 @@ struct CAWebChat {
                 "main.cpp",
                 "initialize.cpp",
                 "run.cpp",
+                "str_fields_check.cpp",
+                "find_db.cpp",
             };
             for (std::string& u: T.units)
                 u = "web_chat/" + u;

src/web_chat/find_db.cpp

@@ -0,0 +1,14 @@
+#include "find_db.h"
+
+int find_db_sqlite_file_path(const json::JSON& config, std::string& res_path) {
+    const json::JSON& type = config["database"]["type"].g();
+    if (!type.isString() && type.asString() == "sqlite3")
+        return -1;
+    const json::JSON& path = config["database"]["file"].g();
+    if (!path.isString())
+        return -1;
+    if (path.asString().empty() || path.asString()[0] == ':')
+        return -1;
+    res_path = path.asString();
+    return 0;
+}

src/web_chat/find_db.h

@@ -0,0 +1,8 @@
+#ifndef IU9_CA_WEB_CHAT_SRC_WEB_CHAT_FIND_DB_H
+#define IU9_CA_WEB_CHAT_SRC_WEB_CHAT_FIND_DB_H
+
+#include <jsonincpp/jsonobj.h>
+
+int find_db_sqlite_file_path(const json::JSON& config, std::string& res_path);
+
+#endif

src/web_chat/initialize.cpp

@@ -1,5 +1,40 @@
 #include "actions.h"
+#include <engine_engine_number_9/baza_throw.h>
+#include "str_fields_check.h"
+#include <sqlite3.h>
+#include <engine_engine_number_9/os_utils.h>
+#include <find_db.h>
 
-void initialize_website(const json::JSON& config, const std::string& root_pw) {
+void sqlite_single_statement(sqlite3* db_hand_ptr, const std::string& req_statement) {
+    sqlite3_stmt* stmt_obj_ptr = NULL;
+    int ret = sqlite3_prepare16_v2(db_hand_ptr, req_statement.c_str(), -1, &stmt_obj_ptr, NULL);
+    een9_ASSERT(ret == 0, "Can't compile request expression");
+    struct Guard1{sqlite3_stmt*& r; ~Guard1(){if (sqlite3_finalize(r) != 0) {abort();}}} guard1{stmt_obj_ptr};
+    while (true) {
+        ret = sqlite3_step(stmt_obj_ptr);
+        if (ret == SQLITE_DONE)
+            break;
+        if (ret != SQLITE_ROW) {
+            printf("sqlite_row error!!!\n");
+            break;
+        }
 
     }
+    printf("Request steps are done\n");
+}
+
+void initialize_website(const json::JSON& config, const std::string& root_pw) {
+    printf("Initialization...\n");
+    een9_ASSERT(check_password(root_pw), "Bad root password");
+    std::string db_path;
+    int ret;
+    ret = find_db_sqlite_file_path(config, db_path);
+    een9_ASSERT(ret == 0, "Invalid settings[\"database\"] field");
+    een9_ASSERT(!een9::isRegularFile(db_path), "Database file exists prior to initialization. "
+        "Can't preceed withut harming existing data");
+    sqlite3* db_hand_ptr = NULL;
+    ret = sqlite3_open(db_path.c_str(), &db_hand_ptr);
+    een9_ASSERT(ret == 0, "Can't open database");
+    struct Guard1{sqlite3*& dhp; ~Guard1(){if (sqlite3_close(dhp) != 0) {abort();}}} guard1{db_hand_ptr};
+    sqlite_single_statement(db_hand_ptr, "CREATE TABLE tb(a INT, b INT);");
+}

src/web_chat/main.cpp

@@ -3,6 +3,7 @@
 #include <assert.h>
 #include <jsonincpp/string_representation.h>
 #include "actions.h"
+#include <stdexcept>
 
 void usage(char** argv) {
     printf("Usage: %s <file with settings>\n", argv[0]);

src/web_chat/str_fields_check.cpp

@@ -0,0 +1,37 @@
+#include "str_fields_check.h"
+#include <jsonincpp/utf8.h>
+
+bool isALPHA(char ch) {
+    return ('a' <= ch && ch <= 'z') || ('A' <= ch && ch <= 'Z');
+}
+
+bool isNUM(char ch) {
+    return '0' <= ch && ch <= '9';
+}
+
+bool isUNCHAR(char ch) {
+    return isALPHA(ch) || isNUM(ch) || ch == '-' || ch == '_';
+}
+
+bool isSPACE(char ch) {
+    return ch == ' ' || ch == '\r' || ch == '\t' || ch == '\n';
+}
+
+
+bool check_password(const std::string &pwd) {
+    return isUtf8String(pwd) && pwd.size() >= 8;
+}
+
+bool check_name(const std::string &name) {
+    return isUtf8String(name);
+}
+
+bool check_nickname(const std::string &nickname) {
+    if (nickname.empty())
+        return false;
+    for (char ch: nickname) {
+        if (!isUNCHAR(ch))
+            return false;
+    }
+    return true;
+}

src/web_chat/str_fields_check.h

@@ -0,0 +1,10 @@
+#ifndef IU9_CA_WEB_CHAT_SRC_WEB_CHAT_STR_FIELDS_CHECK_H
+#define IU9_CA_WEB_CHAT_SRC_WEB_CHAT_STR_FIELDS_CHECK_H
+
+#include <string>
+
+bool check_password(const std::string& pwd);
+bool check_name(const std::string& name);
+bool check_nickname(const std::string& nickname);
+
+#endif