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1 #include "core/anime_db.h"
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2 #include "core/anime.h"
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3
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4 namespace Anime {
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5
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6 int Database::GetTotalAnimeAmount() {
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7 int total = 0;
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8 for (const auto& [id, anime] : items) {
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9 if (anime.IsInUserList())
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10 total++;
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11 }
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12 return total;
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13 }
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14
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15 int Database::GetTotalEpisodeAmount() {
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16 int total = 0;
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17 for (const auto& [id, anime] : items) {
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18 if (anime.IsInUserList()) {
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19 total += anime.GetUserRewatchedTimes() * anime.GetEpisodes();
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20 total += anime.GetUserProgress();
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21 }
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22 }
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23 return total;
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24 }
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25
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26 /* Returns the total watched amount in minutes. */
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27 int Database::GetTotalWatchedAmount() {
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28 int total = 0;
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29 for (const auto& [id, anime] : items) {
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30 if (anime.IsInUserList()) {
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31 total += anime.GetDuration() * anime.GetUserProgress();
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32 total += anime.GetEpisodes() * anime.GetDuration() * anime.GetUserRewatchedTimes();
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33 }
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34 }
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35 return total;
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36 }
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37
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38 /* Returns the total planned amount in minutes.
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39 Note that we should probably limit progress to the
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40 amount of episodes, as AniList will let you
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41 set episode counts up to 32768. But that should
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42 rather be handled elsewhere. */
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43 int Database::GetTotalPlannedAmount() {
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44 int total = 0;
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45 for (const auto& [id, anime] : items) {
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46 if (anime.IsInUserList())
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47 total += anime.GetDuration() * (anime.GetEpisodes() - anime.GetUserProgress());
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48 }
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49 return total;
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50 }
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51
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52 /* I'm sure many will appreciate this being called an
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53 "average" instead of a "mean" */
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54 double Database::GetAverageScore() {
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55 double avg = 0;
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56 int amt = 0;
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57 for (const auto& [id, anime] : items) {
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58 if (anime.IsInUserList() && anime.GetUserScore()) {
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59 avg += anime.GetUserScore();
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60 amt++;
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61 }
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62 }
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63 return avg / amt;
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64 }
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65
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66 double Database::GetScoreDeviation() {
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67 double squares_sum = 0, avg = GetAverageScore();
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68 int amt = 0;
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69 for (const auto& [id, anime] : items) {
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70 if (anime.GetUserScore()) {
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71 squares_sum += std::pow((double)anime.GetUserScore() - avg, 2);
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72 amt++;
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73 }
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74 }
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75 return (amt > 0) ? std::sqrt(squares_sum / amt) : 0;
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76 }
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77
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78 } // namespace Anime |
