| … | |
… | |
| 8 | # provided, the bank account has this amount of money |
8 | # provided, the bank account has this amount of money |
| 9 | # - exchange, will exchange between imperials and platinum coins |
9 | # - exchange, will exchange between imperials and platinum coins |
| 10 | # - balance, simply shows how much money one has on his/her account. |
10 | # - balance, simply shows how much money one has on his/her account. |
| 11 | # |
11 | # |
| 12 | # TODO: |
12 | # TODO: |
| 13 | # - Continue modularising |
|
|
| 14 | # * account() |
|
|
| 15 | # - Comment more steps |
13 | # - Comment more steps |
|
|
14 | # - Implement exchange() |
| 16 | |
15 | |
| 17 | # The units are being used in each sub so they are declared globally. |
16 | # The units are being used in each sub so they are declared globally. |
| 18 | my %units = ( |
17 | my %unit = ( |
| 19 | silver => 1, |
18 | silver => 1, |
| 20 | gold => 10, |
19 | gold => 10, |
| 21 | platina => 50, |
20 | platina => 50, |
| 22 | imperial => 10000, |
21 | imperial => 10000, |
| 23 | ); |
22 | ); |
| 24 | |
23 | |
| 25 | # Subroutine just to calculate exchange rates, I purposefully left in the |
24 | # Subroutine just to calculate exchange rates. |
| 26 | # exchange rates for imperial => imperial, platina => platina, etc. |
|
|
| 27 | sub calc_exchange_rate(@) { |
25 | sub calc_exchange_rate { |
| 28 | my ($value, $from_cur, $to_cur) = @_; |
26 | my ($value, $from_cur, $to_cur) = @_; |
| 29 | |
27 | |
| 30 | if ($from_cur eq "imperial") { # from imperial to |
28 | if ($unit{$from_cur} and $unit{$to_cur}) { |
| 31 | if ($to_cur eq "imperial") { # imperial |
29 | return $value * $unit{$from_cur} / $unit{$to_cur}; |
| 32 | return $value; |
|
|
| 33 | } elsif ($to_cur eq "platina") { # platinum |
|
|
| 34 | return $value * (%units->{imperial} / %units->{platina}); |
|
|
| 35 | } elsif ($to_cur eq "gold") { # gold |
|
|
| 36 | return $value * (%units->{imperial} / %units->{gold}); |
|
|
| 37 | } else { # silver |
|
|
| 38 | return $value * %units->{imperial}; |
|
|
| 39 | } |
|
|
| 40 | |
|
|
| 41 | } elsif ($from_cur eq "platina") { # from platina to |
|
|
| 42 | if ($to_cur eq "imperial") { # imperial |
|
|
| 43 | return $value * (%units->{platina} / %units->{imperial}); |
|
|
| 44 | } elsif ($to_cur eq "platina") { # platinum |
|
|
| 45 | return $value; |
|
|
| 46 | } elsif ($to_cur eq "gold") { # gold |
|
|
| 47 | return $value * (%units->{platina} / %units->{gold}); |
|
|
| 48 | } else { # silver |
|
|
| 49 | return $value * %units->{platina}; |
|
|
| 50 | } |
|
|
| 51 | |
|
|
| 52 | } elsif ($from_cur eq "gold") { # from gold to |
|
|
| 53 | if ($to_cur eq "imperial") { # imperial |
|
|
| 54 | return $value * (%units->{gold} / %units->{imperial}); |
|
|
| 55 | } elsif ($to_cur eq "platina") { # platinum |
|
|
| 56 | return $value * (%units->{gold} / %units->{platina}); |
|
|
| 57 | } elsif ($to_cur eq "gold") { # gold |
|
|
| 58 | return $value; |
|
|
| 59 | } else { # silver |
|
|
| 60 | return $value * %units->{gold}; |
|
|
| 61 | } |
|
|
| 62 | |
|
|
| 63 | } else { # from silver to |
|
|
| 64 | if ($to_cur eq "imperial") { # imperial |
|
|
| 65 | return $value / %units->{imperial}; |
|
|
| 66 | } elsif ($to_cur eq "platina") { # platinum |
|
|
| 67 | return $value / %units->{platina}; |
|
|
| 68 | } elsif ($to_cur eq "gold") { # gold |
|
|
| 69 | return $value / %units->{gold}; |
|
|
| 70 | } else { # silver |
|
|
| 71 | return $value; |
|
|
| 72 | } |
|
|
| 73 | } |
30 | } |
| 74 | } |
31 | } |
| 75 | |
32 | |
| 76 | # Calculates and returns how much money someone has starting with the |
33 | # Calculates and returns how much money someone has starting with the |
| 77 | # highest value currency going down. Think of it like having the date |
34 | # highest value currency going down. Think of it like having the date |
| 78 | # and time in the format of 2006-05-19 03:21:31 UTC instead of 1148001691 |
35 | # and time in the format of 2006-05-19 03:21:31 UTC instead of 1148001691 |
| 79 | # seconds since 1970-01-01 00:00:00 UTC. |
36 | # seconds since 1970-01-01 00:00:00 UTC. |
| 80 | sub balance(@) { |
37 | sub balance { |
| 81 | my ($who) = @_; |
38 | my ($who) = @_; |
| 82 | my $balance = $who->{bank_balance}; |
39 | my $balance = $who->{bank_balance}; |
| 83 | |
40 | |
| 84 | if (!$balance or int($balance) == 0) { |
41 | if (!$balance or int($balance) == 0) { |
| 85 | return "Sorry, you have no balance."; |
42 | return "Sorry, you have no balance."; |
| … | |
… | |
| 92 | |
49 | |
| 93 | return "You have ".int($imperials)." imperials, ".int($platinum)." platinum, ".int($gold)." gold and about ".int($silver)." silver coins."; |
50 | return "You have ".int($imperials)." imperials, ".int($platinum)." platinum, ".int($gold)." gold and about ".int($silver)." silver coins."; |
| 94 | } |
51 | } |
| 95 | } |
52 | } |
| 96 | |
53 | |
| 97 | sub transaction(@) { |
54 | sub transaction { |
| 98 | my ($who, $action, $amount, $currency) = @_; |
55 | my ($who, $action, $amount, $currency) = @_; |
| 99 | my $pay = $amount * %units->{$currency}; |
56 | my $pay = $amount * $unit{$currency}; |
|
|
57 | |
|
|
58 | if (!$unit{$currency}) { |
|
|
59 | return "We don't trade in that currency."; |
|
|
60 | } |
|
|
61 | |
|
|
62 | if ($amount !=~ /\d+/) { |
|
|
63 | return "You can not $action fractions."; |
|
|
64 | } |
| 100 | |
65 | |
| 101 | # First check for possible overflow and user stupidity |
66 | # First check for possible overflow and user stupidity |
| 102 | if ($amount > 10000) { |
67 | if ($amount > 10000) { |
| 103 | return "Sorry, we do not handle more than 10000 units for one ".$action."."; |
68 | return "Sorry, we do not handle more than 10000 units for one ".$action."."; |
| 104 | } elsif ($amount == 0) { |
69 | } elsif ($amount == 0) { |
| 105 | return "You can not ".$action." nothing."; |
70 | return "You can not ".$action." nothing."; |
| 106 | } elsif ($amount < 0) { |
71 | } elsif ($amount < 0) { |
| 107 | return "You can not ".$action." negative values."; |
72 | return "You can not ".$action." negative values."; |
| 108 | } else { |
73 | } |
|
|
74 | |
| 109 | # Here we handle the transactions |
75 | # Here we handle the transactions |
| 110 | if ($action eq "deposit") { |
76 | if ($action eq "deposit") { |
| 111 | if ($who->pay_amount ($pay)) { |
77 | if ($who->pay_amount ($pay)) { |
| 112 | $who->{bank_balance} += $pay; |
78 | $who->{bank_balance} += $pay; |
| 113 | return "$amount $currency received."; |
79 | return "$amount $currency received."; |
|
|
80 | } else { |
|
|
81 | return "You don't have enough money with you."; |
|
|
82 | } |
|
|
83 | } elsif ($action eq "withdraw") { |
|
|
84 | if ($who->{bank_balance} - $pay > 0) { |
|
|
85 | $who->{bank_balance} -= $pay; |
|
|
86 | if ($currency eq "imperial") { |
|
|
87 | my $money = cf::object::new ("imperial"); |
|
|
88 | $money->set_property (1, 24, $amount); |
|
|
89 | $money->insert_in_ob ($who); |
| 114 | } else { |
90 | } else { |
| 115 | return "You don't have enough money with you."; |
91 | my $money = cf::object::new ($currency."coin"); |
|
|
92 | $money->set_property (1, 24, $amount); |
|
|
93 | $money->insert_in_ob ($who); |
| 116 | } |
94 | } |
| 117 | |
|
|
| 118 | } elsif ($action eq "withdraw") { |
|
|
| 119 | if ($who->{bank_balance} - $pay > 0) { |
|
|
| 120 | $who->{bank_balance} -= $pay; |
|
|
| 121 | if ($currency eq "imperial") { |
|
|
| 122 | my $money = cf::object::new ("imperial"); |
|
|
| 123 | $money->set_property (1, 24, $amount); |
|
|
| 124 | $money->insert_in_ob ($who); |
|
|
| 125 | } else { |
|
|
| 126 | my $money = cf::object::new ($currency."coin"); |
|
|
| 127 | $money->set_property (1, 24, $amount); |
|
|
| 128 | $money->insert_in_ob ($who); |
|
|
| 129 | } |
|
|
| 130 | return "Withdrew $amount $currency"; |
95 | return "Withdrew $amount $currency"; |
| 131 | } |
|
|
| 132 | } |
96 | } |
| 133 | } |
97 | } |
| 134 | } |
98 | } |
| 135 | |
99 | |
| 136 | sub on_say { |
100 | sub on_say { |
| 137 | my ($event, $ob, $who, $msg) = @_; |
101 | my ($event, $ob, $who, $msg) = @_; |
| 138 | my ($cmd, $arguments) = split /\s+/, $msg, 2; |
102 | my ($cmd, $arguments) = split /\s+/, $msg, 2; |
| 139 | my ($amount, $currency) = split /\s+/, $arguments, 2; |
103 | my ($amount, $currency) = split /\s+/, $arguments, 2; |
| 140 | my $service_charge = 5; |
104 | my $service_charge = 5; |
| 141 | my @units = sort keys %units; |
105 | my @units = sort keys %unit; |
| 142 | my $units = join ", ", @units; |
106 | my $units = join ", ", @units; |
| 143 | my $fees = - ($service_charge / 100) + 1; |
107 | my $fees = - ($service_charge / 100) + 1; |
| 144 | |
108 | |
| 145 | if ($cmd eq "balance") { |
109 | if ($cmd eq "balance") { |
| 146 | $who->message ($ob->name." says: ".balance ($who), cf::NDI_WHITE); |
110 | $who->message ($ob->name." says: ".balance ($who), cf::NDI_WHITE); |
| 147 | } |
111 | } |
| 148 | |
112 | |
| 149 | elsif ($cmd eq "deposit" and $currency ne "") { |
113 | elsif ($cmd eq "deposit" and $currency) { |
| 150 | $who->message ($ob->name." says: ".transaction($who, "deposit", $amount, $currency), cf::NDI_WHITE); |
114 | $who->message ($ob->name." says: ".transaction($who, "deposit", $amount, $currency), cf::NDI_WHITE); |
| 151 | $who->message ($ob->name." says: ".balance ($who), cf::NDI_WHITE); |
115 | $who->message ($ob->name." says: ".balance ($who), cf::NDI_WHITE); |
| 152 | } elsif ($cmd eq "deposit" and $amount ne "" and $currency eq "") { |
116 | } elsif ($cmd eq "deposit" and $amount and $currency eq "") { |
| 153 | $who->message ($ob->name." says: Deposit $amount of what: ".$units.".", cf::NDI_WHITE); |
117 | $who->message ($ob->name." says: Deposit $amount of what: ".$units.".", cf::NDI_WHITE); |
| 154 | } elsif ($cmd eq "deposit" and $amount eq "" and $currency eq "") { |
118 | } elsif ($cmd eq "deposit" and $amount eq "" and $currency eq "") { |
| 155 | $who->message ($ob->name." says: How much do you want to deposit?", cf::NDI_WHITE); |
119 | $who->message ($ob->name." says: How much do you want to deposit?", cf::NDI_WHITE); |
| 156 | } |
120 | } |
| 157 | |
121 | |
| 158 | elsif ($cmd eq "withdraw" and $currency ne "") { |
122 | elsif ($cmd eq "withdraw" and $currency) { |
| 159 | $who->message ($ob->name." says: ".transaction($who, "withdraw", $amount, $currency), cf::NDI_WHITE); |
123 | $who->message ($ob->name." says: ".transaction($who, "withdraw", $amount, $currency), cf::NDI_WHITE); |
| 160 | $who->message ($ob->name." says: ".balance ($who), cf::NDI_WHITE); |
124 | $who->message ($ob->name." says: ".balance ($who), cf::NDI_WHITE); |
| 161 | } elsif ($cmd eq "withdraw" and $amount ne "" and $currency eq "") { |
125 | } elsif ($cmd eq "withdraw" and $amount and $currency eq "") { |
| 162 | $who->message ($ob->name." says: Withdraw $amount of what: ".$units.".", cf::NDI_WHITE); |
126 | $who->message ($ob->name." says: Withdraw $amount of what: ".$units.".", cf::NDI_WHITE); |
| 163 | } elsif ($cmd eq "withdraw" and $amount eq "" and $currency eq "") { |
127 | } elsif ($cmd eq "withdraw" and $amount eq "" and $currency eq "") { |
| 164 | $who->message ($ob->name." says: How much do you want to withdraw?", cf::NDI_WHITE); |
128 | $who->message ($ob->name." says: How much do you want to withdraw?", cf::NDI_WHITE); |
| 165 | } |
129 | } |
| 166 | |
130 | |
| 167 | elsif ($cmd eq "help" || "yes") { |
131 | elsif ($cmd eq "help" or $cmd eq "yes") { |
| 168 | $who->message ($ob->name." says: ".help($arguments), cf::NDI_WHITE); |
132 | $who->message ($ob->name." says: ".help($arguments), cf::NDI_WHITE); |
|
|
133 | } |
|
|
134 | |
|
|
135 | else { |
|
|
136 | $who->message ($ob->name." says: Do you need help?", cf::NDI_WHITE); |
| 169 | } |
137 | } |
| 170 | } |
138 | } |
| 171 | |
139 | |
| 172 | sub help(@) { |
140 | sub help { |
| 173 | my ($command) = @_; |
141 | my ($command) = @_; |
| 174 | |
142 | |
| 175 | if ($command eq "") { |
143 | if ($command eq "") { |
| 176 | return "You can: |
144 | return "You can: |
| 177 | deposit <amount> <currency> |
145 | deposit <amount> <currency> |
| … | |
… | |
| 191 | return "We exchange between imperial notes and platinum coins at a very low price. To change from platinum to imperials, say: |
159 | return "We exchange between imperial notes and platinum coins at a very low price. To change from platinum to imperials, say: |
| 192 | exchange <amount> platina\nTo change from imperials to platinum, say: |
160 | exchange <amount> platina\nTo change from imperials to platinum, say: |
| 193 | exchange <amount> imperial\nWe currently only exchange between these two currencies. If you want to know more about exchange rates, ask me: |
161 | exchange <amount> imperial\nWe currently only exchange between these two currencies. If you want to know more about exchange rates, ask me: |
| 194 | help exchange rates\nThanks for using our bank."; |
162 | help exchange rates\nThanks for using our bank."; |
| 195 | } elsif ($command eq "exchange rates") { |
163 | } elsif ($command eq "exchange rates") { |
| 196 | return "Here is a list of exchange rates: |
164 | my @units = sort { $unit{$b} <=> $unit{$a} } keys %unit; |
| 197 | imperial => ".calc_exchange_rate(1, "imperial", "platina")." platina |
165 | my $exchange_rates = "Here is a list of exchange rates:\n"; |
| 198 | imperial => ".calc_exchange_rate(1, "imperial", "gold")." gold |
|
|
| 199 | imperial => ".calc_exchange_rate(1, "imperial", "silver")." silver |
|
|
| 200 | |
166 | |
| 201 | platina => ".calc_exchange_rate(1, "platina", "gold")." gold |
167 | for my $from_cur_nr (0 .. $#units) { |
| 202 | platina => ".calc_exchange_rate(1, "platina", "silver")." silver |
168 | for my $to_cur_nr ($from_cur_nr+1 .. $#units) { |
| 203 | |
169 | $exchange_rates = $exchange_rates."One $units[$from_cur_nr] is ".calc_exchange_rate(1, $units[$from_cur_nr], $units[$to_cur_nr])." $units[$to_cur_nr]\n"; |
|
|
170 | } |
|
|
171 | } |
| 204 | gold => ".calc_exchange_rate(1, "gold", "silver")." silver\nThis may change a bit with the stock markets but don't expect it to be much."; |
172 | return $exchange_rates."This may change a bit with the stock markets but don't expect it to be much."; |
| 205 | } |
173 | } |
| 206 | } |
174 | } |
