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| 1 | void initiateMenu() | |
| 2 | {
| |
| 3 | std::string selection; | |
| 4 | ||
| 5 | /** | |
| 6 | * Entry data content | |
| 7 | */ | |
| 8 | struct entry {
| |
| 9 | std::string state; | |
| 10 | std::string description; | |
| 11 | int minAuth; | |
| 12 | int maxAuth; | |
| 13 | void (*fptr)(); | |
| 14 | bool active = false; | |
| 15 | }; | |
| 16 | ||
| 17 | /** | |
| 18 | * Menu list | |
| 19 | */ | |
| 20 | std::map<std::string, entry> entries; | |
| 21 | ||
| 22 | /** | |
| 23 | * add menu entries! | |
| 24 | */ | |
| 25 | entries["KR"] = {"/", "Customer registration", GUEST, ADMIN, registerCustomer};
| |
| 26 | entries["KL"] = {"/", "Customer login", GUEST, GUEST, loginCustomer};
| |
| 27 | entries["KU"] = {"/", "Customer logout", CUSTOMER, ADMIN, logoutCustomer};
| |
| 28 | entries["KS"] = {"/", "Display my items", CUSTOMER, ADMIN, displayCustomerItems};
| |
| 29 | entries["KE"] = {"/", "Update customers authorization access", ADMIN, ADMIN, setAuthorityLevel};
| |
| 30 | ||
| 31 | /** | |
| 32 | * Start the program loop. | |
| 33 | */ | |
| 34 | do {
| |
| 35 | bool authenticated = customers->authenticated(); | |
| 36 | int authorization = authenticated ? customers->session()->returnAuth() : GUEST; | |
| 37 | ||
| 38 | /** | |
| 39 | * Display that a customer is logged in | |
| 40 | * if his / her session is successfully set. | |
| 41 | */ | |
| 42 | if (customers->authenticated()) {
| |
| 43 | std::cout | |
| 44 | << "Logged in as: " | |
| 45 | << customers->session()->username() | |
| 46 | << std::endl; | |
| 47 | } | |
| 48 | ||
| 49 | /** | |
| 50 | * Print the menu, with command options. | |
| 51 | * | |
| 52 | * ROOT_STATE == / | |
| 53 | */ | |
| 54 | std::cout << "------------------ MENU ------------------" << std::endl; | |
| 55 | for (auto & i : entries) {
| |
| 56 | i.second.active = false; | |
| 57 | ||
| 58 | std::string state = i.second.state; | |
| 59 | int minAuth = i.second.minAuth; | |
| 60 | int maxAuth = i.second.maxAuth; | |
| 61 | ||
| 62 | /** | |
| 63 | * If the current entry does not follow the rules for being displayed, | |
| 64 | * we ignore the rest of the round and go to the next entry. | |
| 65 | */ | |
| 66 | if (state != "*") {
| |
| 67 | if (authenticated && state != customers->state()) {
| |
| 68 | continue; | |
| 69 | } | |
| 70 | ||
| 71 | if (!authenticated && minAuth > GUEST) {
| |
| 72 | continue; | |
| 73 | } | |
| 74 | ||
| 75 | if (authenticated && minAuth > authorization) {
| |
| 76 | continue; | |
| 77 | } | |
| 78 | ||
| 79 | if (authenticated && maxAuth < authorization) {
| |
| 80 | continue; | |
| 81 | } | |
| 82 | ||
| 83 | if (!authenticated && state != ROOT_STATE) {
| |
| 84 | continue; | |
| 85 | } | |
| 86 | } | |
| 87 | ||
| 88 | /** | |
| 89 | * prints out the menu entry: COMMAND - description | |
| 90 | */ | |
| 91 | std::cout | |
| 92 | << i.first | |
| 93 | << " - " | |
| 94 | << i.second.description | |
| 95 | << std::endl; | |
| 96 | ||
| 97 | /** | |
| 98 | * let the program know which commands were displayed. | |
| 99 | */ | |
| 100 | i.second.active = true; | |
| 101 | } | |
| 102 | ||
| 103 | /** | |
| 104 | * Retrieves the selected option as a string by the customer. | |
| 105 | * The string is then converted to an enum, and | |
| 106 | */ | |
| 107 | selection = getInput("Menu choice", 1, 2, true); // Get command from user. Lengths; min: 1, max: 2. Uppercase.
| |
| 108 | ||
| 109 | /** | |
| 110 | * When the returned position isn't set to the end()[index value] | |
| 111 | * there was a match. | |
| 112 | */ | |
| 113 | if (entries.find(selection) != entries.end()) {
| |
| 114 | //set user state | |
| 115 | //TODO: add this after function pointer, and add a way for categories to use their ID in stead. | |
| 116 | customers->updateState(selection); | |
| 117 | ||
| 118 | // call function stored in entry | |
| 119 | (*entries.at(selection).fptr)(); //TODO: do i need to add a * in front of entries. ? | |
| 120 | } | |
| 121 | ||
| 122 | } while ( !(selection == "Q" && customers->state() == "/") ); | |
| 123 | } | |
| 124 | - | } |
| 124 | + | |
| 125 | /* OUTPUT | |
| 126 | ------------------ MENU ------------------ | |
| 127 | Q - Quit current task / program | |
| 128 | KL - Customer login | |
| 129 | KR - Customer registration | |
| 130 | Menu choice: | |
| 131 | */ |
